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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:

A "sprint" is term for a common period in technology companies in which people work long hours in the weeks leading up to a release of a new feature or product.

From BBC Aug. 10, 2026

US tech workers are typically well-compensated, external, and while other industries such as investment banking, law and medicine also often see people work long hours, a 14-hour workday was not always the norm in tech.

From BBC Aug. 10, 2026

“We still have a long runway of more consumers consuming more every day,” Van de Put said on an investor call on July 28.

From The Wall Street Journal Aug. 9, 2026

Ki and Park peel off, and I continue to walk south toward Tsim Sha Tsui, A long slog, enough to digest and think.

From Salon Aug. 9, 2026

“It’s all good. How long have you been volunteering here?”

From "Split the Sky" by Marie Arnold

During the case, haunting dashcam footage from the police patrol car was played showing the moment PC Harper confronted teenagers Henry Long, Bowers and Cole down a dark country lane.

From BBC Aug. 8, 2026

The Panama Canal is imposing draft limits on vessels ahead of potential El Niño-related droughts, which could divert shipments to L.A. and Long Beach, Seroka said.

From The Wall Street Journal Aug. 7, 2026

Long space missions can force small crews to endure isolation, cramped living conditions, and intense psychological pressure for months at a time.

From Science Daily Aug. 7, 2026

That object was later identified as part of China’s Long March 3C rocket, which propelled the Chang’e 5-T1 mission around the moon in 2014.

From Salon Aug. 6, 2026

Long Beach Savings was the first existing bank to adopt what was called the “originate and sell” model.

From "The Big Short" by Michael Lewis

"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

"This is just the beginning. The road is still long. We are working super hard and the team is doing an incredible job," Antonelli said.

From BBC May 3, 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

"Collecting orphans? Does that lift an ounce of guilt? You have been among mortals too long. Gods should not suffer guilt. You are the goddess of war. Celebrate!"

From "City of the Plague God" by Sarwat Chadda

When the short-term moving average moves above a long- term counterpart, some technical traders would rather sell into the rallies than buy the dips, Razaqzada at FOREX.com noted.

From MarketWatch Jun. 30, 2026

Lacking a significant air force, Iran heavily relies on its long- and short-range missiles, and drone firing capabilities to strike its adversaries.

From The Wall Street Journal Mar. 6, 2026

Working in combination, the bonds and the insurance, “help us meet our long- and short-term liabilities.”

From Los Angeles Times Jun. 17, 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

The long- gone day that would never leave—the suitcase on the floor, how she’d tossed clothes into it without folding them.

From "The Secret Life of Bees" by Sue Monk Kidd

Even tech workers who are not directly involved in the development of AI tools are facing longer hours due to the technology.

From BBC Aug. 10, 2026

Tattoo artist Martha Smith thinks stigma has "changed massively", with tattoos no longer seen as associated with criminality or class discrimination.

From BBC Aug. 10, 2026

By 1880 Robert was no longer active in the business.

From The Wall Street Journal Aug. 9, 2026

When scientists exposed laboratory-grown neurons to blood plasma collected from participants after the retreat, the neurons developed longer branches and formed more connections.

From Science Daily Aug. 9, 2026

Clare did the paddling, his arms being longer, as beside him, Gingersnipes basked in the sunlight, paws clasped behind her head.

From "The Undead Fox of Deadwood Forest" by Aubrey Hartman

Saturday's penultimate stage is the longest of this year's race, with the mostly flat 171.9km ride from Sisteron to Nice set to suit the sprinters.

From BBC Aug. 7, 2026

The longest words in yesterday’s game were LAYAWAY, PAPALLY, and PAYWALL.

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

Their postseason drought is about to hit 12 years, the longest in baseball.

From Los Angeles Times Aug. 4, 2026

The longest walk I had ever taken in my life.

From "Summer of the Monkeys" by Wilson Rawls

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