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  • long
    long
    adjective
    having considerable linear extent in space.
  • Long
    Long
    noun
    Crawford Williamson 1815–78, U.S. surgeon.
  • long.
    long.
    abbreviation
    longitude.
  • long-
    long-
    adverb
    (in combination) for or lasting a long time
Synonyms

long

1 American  
[lawng, long] / lɔŋ, lɒŋ /

adjective

  • longer,
    comparative
  • longest
    superlative
  1. having considerable linear extent in space.

    a long distance; a long handle.

    Synonyms:
    extensive, lengthy
  2. having considerable duration in time.

    a long conversation; a long while.

    Synonyms:
    extended, protracted
  3. extending, lasting, or totaling a number of specified units.

    eight miles long; eight hours long.

  4. containing many items or units.

    a long list.

  5. requiring a considerable time to relate, read, etc..

    a long story.

  6. extending beyond normal or moderate limits.

    a long, boring speech.

    Synonyms:
    boring, tedious, prolix, wordy
  7. experienced as passing slowly, because of the difficulty, tedium, or unpleasantness involved.

    long years of study.

  8. reaching well into the past.

    a long memory.

  9. the longer of two or the longest of several.

    the long way home; a brick with the long side exposed.

  10. taking a long time; slow.

    He's certainly long getting here.

  11. forward-looking or considering all aspects; broad.

    to take a long view of life.

  12. intense, thorough, or critical; seriously appraising.

    a long look at one's past mistakes.

  13. having an ample supply or endowment of something (often followed byon ).

    to be long on advice; to be long on brains.

  14. having a considerable time to run, as a promissory note.

  15. Chiefly Law. distant or remote in time.

    a long date.

  16. extending relatively far.

    a man with a long reach.

  17. being higher or taller than usual.

    long casement windows.

  18. being against great odds; unlikely.

    a long chance.

  19. (of beverages) mixed or diluted with a large amount of soda, seltzer, etc..

    highballs, collinses, and other long drinks.

  20. (of the head or skull) of more than ordinary length from front to back.

  21. Phonetics.

    1. lasting a relatively long time.

      “Feed” has a longer sound than “feet” or “fit.”

    2. belonging to a class of sounds considered as usually longer in duration than another class, as the vowel of bought as compared to that of but, and in many languages serving as a distinctive feature of phonemes, as the ah in German Bahn in contrast with the a in Bann, or the tt in Italian fatto in contrast with the t in fato (opposed to short).

    3. having the sound of the English vowels in mate, meet, mite, mote, moot, and mute, historically descended from vowels that were long in duration.

  22. Prosody. (of a syllable in quantitative verse) lasting a longer time than a short syllable.

  23. Finance. holding or accumulating stocks, futures, commodities, etc., with the expectation of a rise in prices.

    a long position in chemicals.

  24. Gambling.

    1. marked by a large difference in the numbers of the given betting ratio or in the amounts wagered.

      long odds.

    2. of or relating to the larger amount bet.

  25. Ceramics. (of clay) very plastic; fat.


noun

  1. a comparatively long time.

    They haven't been gone for long. Will it take long?

  2. something that is long.

    The signal was two longs and a short.

  3. a size of garment for men who are taller than average.

  4. a garment, as a suit or overcoat, in this size.

    The shorts and the longs are hung separately.

  5. Finance. a person who accumulates or holds stocks or commodities with the expectation of a rise in prices.

  6. Music. longa.

adverb

  1. for or through a great extent of space or, especially, time.

    a reform long advocated.

  2. for or throughout a specified extent, especially of time.

    How long did he stay?

  3. (used elliptically in referring to the length of an absence, delay, etc.).

    Will she be long?

  4. throughout a specified period of time (usually used to emphasize a preceding noun).

    It's been muggy all summer long.

  5. at a point of time far distant from the time indicated.

    long before.

idioms

  1. before long, soon.

    We should have news of her whereabouts before long.

  2. the long and the short of, the point or gist of; substance of: Also the long and short of.

    The long and the short of it is that they will be forced to sell all their holdings.

  3. as long as,

    1. provided that.

      As long as you can come by six, I'll be here.

    2. seeing that; since.

      As long as you're going to the grocery anyway, buy me a pint of ice cream.

    3. Also so long as. during the time that; through the period that.

      As long as we were neighbors, they never invited us inside their house.

long 2 American  
[lawng, long] / lɔŋ, lɒŋ /

verb (used without object)

  1. to have an earnest or strong desire or craving; yearn: to long to return home.

    to long for spring;

    to long to return home.


long 3 American  
[lawng, long] / lɔŋ, lɒŋ /

verb (used without object)

  1. Archaic. to be suitable or fitting.

  2. Obsolete. to be the possession; belong.


Long 4 American  
[lawng, long] / lɔŋ, lɒŋ /

noun

  1. Crawford Williamson 1815–78, U.S. surgeon.

  2. Huey Pierce 1893–1935, U.S. politician: governor of Louisiana 1928–31; U.S. senator 1931–35.

  3. Russell B(illiu) 1918–2003, U.S. lawyer and politician: U.S. senator 1948–87 (son of Huey Long).

  4. Stephen Harriman, 1784–1864, U.S. army officer and explorer.


long. 5 American  

abbreviation

  1. longitude.


long 1 British  
/ lɒŋ /

adjective

  1. having relatively great extent in space on a horizontal plane

  2. having relatively great duration in time

    1. (postpositive) of a specified number of units in extent or duration

      three hours long

    2. ( in combination )

      a two-foot-long line

  3. having or consisting of a relatively large number of items or parts

    a long list

  4. having greater than the average or expected range

    a long memory

  5. being the longer or longest of alternatives

    the long way to the bank

  6. having more than the average or usual quantity, extent, or duration

    a long match

  7. seeming to occupy a greater time than is really so

    she spent a long afternoon waiting in the departure lounge

  8. intense or thorough (esp in the phrase a long look )

  9. (of drinks) containing a large quantity of nonalcoholic beverage

  10. (of a garment) reaching to the wearer's ankles

  11. informal (foll by on) plentifully supplied or endowed (with)

    long on good ideas

  12. phonetics

    1. of relatively considerable duration

    2. classified as long, as distinguished from the quality of other vowels

    3. (in popular usage) denoting the qualities of the five English vowels in such words as mate, mete, mite, moat, moot, and mute

  13. from end to end; lengthwise

  14. unlikely to win, happen, succeed, etc

    a long chance

  15. prosody

    1. denoting a vowel of relatively great duration or (esp in classical verse) followed by more than one consonant

    2. denoting a syllable containing such a vowel

    3. (in verse that is not quantitative) carrying the emphasis or ictus

  16. finance having or characterized by large holdings of securities or commodities in anticipation of rising prices

    a long position

  17. cricket (of a fielding position) near the boundary

    long leg

  18. informal (of people) tall and slender

  19. See run

  20. informal old or ageing

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adverb

  1. for a certain time or period

    how long will it last?

  2. for or during an extensive period of time

    long into the next year

  3. at a distant time; quite a bit of time

    long before I met you

    long ago

  4. finance into a position with more security or commodity holdings than are required by sale contracts and therefore dependent on rising prices for profit

    to go long

    1. for or during just the length of time that

    2. inasmuch as; since

    3. provided that; if

  5. not any more; formerly but not now

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a long time (esp in the phrase for long )

  2. a relatively long thing, such as a signal in Morse code

  3. a clothing size for tall people, esp in trousers

  4. phonetics a long vowel or syllable

  5. finance a person with large holdings of a security or commodity in expectation of a rise in its price; bull

  6. music a note common in medieval music but now obsolete, having the time value of two breves

  7. soon

  8. the essential points or facts

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Long 2 British  
/ lɒŋ /

noun

  1. Crawford Williamson. 1815–78, US surgeon. He was the first to use ether as an anaesthetic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

long 3 British  
/ lɒŋ /

verb

  1. (intr; foll by for or an infinitive) to have a strong desire

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

long 4 British  
/ lɒŋ /

verb

  1. archaic (intr) to belong, appertain, or be appropriate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

long 5 British  

abbreviation

  1. longitude

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

long- 6 British  

adverb

  1. (in combination) for or lasting a long time

    long-awaited

    long-established

    long-lasting

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

long More Idioms  

Synonym Usage

See yearn.

Other Word Forms

Derived Forms

Inflected Forms

Adjectives

Etymology

Origin of long1

First recorded before 900; Middle English adjective longe, Old English lang, long; cognate with Dutch, German lang, Old Norse langr, Gothic langs, Latin longus; noun, adverb, derivative of the adjective

Origin of long2

First recorded before 900; Middle English longen, Old English langian “grow longer, yearn after, summon”; see long 1

Origin of long3

First recorded in 1150–1200; Middle English longen “to be suitable, fitting, or proper,” derivative of long “attributable (to), dependent (on),” Old English gelang “belonging (to), dependent (on)”; see origin at belong, along

Explanation

To strongly crave or desire something is to long for it. No matter how healthful your diet is, you'll still occasionally long for chocolate, cookies, and cake. The adjective long describes something that stretches over a large distance. If you're trying to avoid a prolonged visit with your crazy Aunt Martha, you might decide to take the long way to her house. The adjective long also describes something that lasts for an extended amount of time. When your Aunt Martha comes to your house, a half-hour can seem like a long, long time.

Keep Reading on Vocabulary.com

Vocabulary lists containing long

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“For too long, our gender equity work has been siloed without a central entity responsible for coordinating and advancing this work,” Horvath said during the meeting.

From Los Angeles Times Aug. 11, 2026

The company still has a long way to go to reach Musk’s goal of $1 trillion of revenue by 2030.

From The Wall Street Journal Aug. 11, 2026

Predecessor Eddie Howe shared similar traits, of course, ending Newcastle's long wait for silverware by winning the EFL Cup in 2025 and qualifying for the Champions League twice.

From BBC Aug. 11, 2026

Eight years may sound like a long time, but that deadline will arrive sooner than you think.

From MarketWatch Aug. 11, 2026

If the Americans didn’t rescue them soon, they wouldn’t have long to live.

From "At Last She Stood" by Erin Entrada Kelly

Long tables run beneath temporary walls, temporary roof.

From Salon Aug. 11, 2026

In the U.S., through assets on Long Island and in upstate New York and Massachusetts, National Grid has “done a remarkable job in being one of the most efficient companies in the sector.”

From MarketWatch Aug. 11, 2026

Appeared in the August 11, 2026, print edition as 'So Long, Sun, See You in Two Minutes'.

From The Wall Street Journal Aug. 10, 2026

Min said he ultimately was disappointed at Cal State Long Beach’s selection of food trucks, as a student who prioritizes cutting his cost of living.

From Los Angeles Times Aug. 9, 2026

“They liked Negro spirituals and Irish jigs. A strong favorite of which they never tired was ‘It’s a Long, Long Way to Tipperary.’

From "Shipwreck at the Bottom of the World" by Jennifer Armstrong

"Fungi have been ignored in climate and conservation for too long. Now is the time to change that trajectory."

From Science Daily Jun. 15, 2026

“Ambulances will in some cases drive twice as far when rural hospitals close and patients will wait twice as long. Businesses and workers will see their premiums doubled.”

From Barron's Apr. 28, 2026

“The question is, why don’t we just deploy more gear? The lead times are too long. Data center build times are long, the power that’s available through 2026 is already all spoken for.”

From The Wall Street Journal Apr. 13, 2026

Dave Robertson MP and Wendy Chamberlain MP, who co-chair the APPG, said that "Fayed survivors have been ignored and failed for far too long. Their concerns must be heard and acted upon."

From BBC Mar. 24, 2026

“We wait for Mom, then. They won’t keep her long. She’ll get us as soon as she’s free.”

From "The Manifestor Prophecy" by Angie Thomas

Only when people have access to food, housing and affordable medical care can they focus on their long- term health.

From MarketWatch Apr. 23, 2026

A competing measure ensures Nantucket stays open to both long- and short-term renters, who some property owners and small businesses say are vital for the local economy.

From The Wall Street Journal Nov. 3, 2025

The immediate plans for Ms Raywood and her two daughters are to speak with their insurance company and return to the caravan, but she said it could not be a "long- term" solution.

From BBC Jan. 7, 2025

But that’s exactly what they need to do, for both long- and short-term reasons.

From Slate Sep. 25, 2024

It was a gay light comedy, and Kay Francis wore long- sleeved white silk shirts with big cuff links.

From "I Know Why the Caged Bird Sings" by Maya Angelou

What is clear is that Infantino is no longer coasting towards a fourth term, if he clings on that long.

From BBC Aug. 11, 2026

Timothée Chalamet was obviously wrong about ballet no longer being a cultural force when he made his ill-fated comments earlier this year.

From Los Angeles Times Aug. 11, 2026

"Buyers are no longer looking only at the property itself, but at how liveable it is," said Yann Jehanno, president of the Laforet estate agency network.

From Barron's Aug. 11, 2026

A loan can be in PIK for a while before a lender moves it to nonaccrual status, indicating that it no longer expects to get paid back in full.

From The Wall Street Journal Aug. 11, 2026

Feeling both close and sorry for him, I realize he’s no longer my distant father.

From "Will’s Race for Home" by Jewell Parker Rhodes

Yes, 1-1 isn't the most memorable scoreline, but the third-round tie between Preston North End and Fulham in 2024 makes it into the record books after producing the longest penalty shootout in the competition's history.

From BBC Aug. 8, 2026

The album’s longest track, “The Blessing,” which Lloyd first composed for his 1993 release “The Call,” begins here in prayerful fashion and slowly gathers intensity.

From The Wall Street Journal Aug. 5, 2026

For every four you complete, you’ll unlock a new pair of letters to use with your existing set—and you have just one shot to find the longest word you can make with them.

From Slate Aug. 5, 2026

Some chasers are already planning for a total eclipse next year that will be the longest humans will be able to see until 2114.

From Barron's Aug. 5, 2026

On the longest journey of his life, Leonardo crosses the Alps.

From "The Mona Lisa Vanishes" by Nicholas Day

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