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Synonyms

important

American  
[im-pawr-tnt] / ɪmˈpɔr tnt /

adjective

  1. of much or great significance or consequence.

    an important event in world history.

  2. mattering much (usually followed byto ).

    details important to a fair decision.

  3. entitled to more than ordinary consideration or notice.

    an important exception.

  4. prominent or large.

    He played an important part in national politics.

  5. of considerable influence or authority, as a person or position.

    an important scientist.

  6. having social position or distinction, as a person or family.

    important guests.

  7. pompous; pretentious.

    When speaking, he assumes an important attitude that offends his audience.

  8. Obsolete. importunate.


important British  
/ ɪmˈpɔːtənt /

adjective

  1. of great significance or value; outstanding

    Voltaire is an important writer

  2. of social significance; notable; eminent; esteemed

    an important man in the town

  3. specially relevant or of great concern (to); valued highly (by)

    your wishes are important to me

  4. an obsolete word for importunate

"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

Usage

Both more important and more importantly occur at the beginning of a sentence in all varieties of standard English: More important (or More importantly), her record as an administrator is unmatched. Today, more importantly is the more common, even though some object to its use on the grounds that more important is an elliptical form of “What is more important” and that the adverb importantly could not occur in such a construction. More importantly probably developed by analogy with other sentence-modifying adverbs, as curiously, fortunately, and regrettably.

The use of more importantly as in more importantly, the local council is opposed to this proposal has become very common, but many people still prefer to use more important

Other Word Forms

Derived Forms

Etymology

Origin of important

First recorded in 1580–90; from Medieval Latin important-, stem of importāns, present participle of importāre “to be of consequence, weigh,” from Latin: “to carry in, import,” equivalent to im- im- 1 ( def. ) + port- port 5 ( def. ) + -ans -ant ( def. ); see import ( def. )

Explanation

If you have to pass a test to graduate, the test is important. It is vital, necessary, crucial. The President is the most important person in the country. Children are important to parents, and parents are certainly important to their children. Different people think different things are important: a new movie might be important to you because you care about it a lot, even if it's not important in the same way as food and water. People often say "Good study habits are important" or "Communication is important." Important things matter.

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Vocabulary lists containing important

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.

But even more important, it reminded us that history is an indispensable tool for shaping the more equitable future we hope to inhabit.

From Los Angeles Times • Jun. 8, 2026

"Your life is more important than anything left behind."

From Barron's • Jun. 8, 2026

The gesture felt especially important because the tournament is beginning under difficult circumstances for Iran.

From Barron's • Jun. 7, 2026

But he conceded it was "inevitable things go missing" and "thankfully this wasn't that important".

From BBC • Jun. 7, 2026

Joey has no idea yet how influential doctors will become in her life, but she knows this doctor is important to her.

From "At Last She Stood" by Erin Entrada Kelly

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