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Definitions

important

[im-pawr-tnt] / ɪmˈpɔr tnt /
ADJECTIVE
significant
Synonyms
STRONGEST
big major serious significant valuable weighty
STRONG
consequential earnest epochal far-reaching front-page historic material momentous of consequence of moment of substance page-one paramount relevant salient seminal substantial
WEAK
decisive determining fateful grave heavy of note
Antonyms
STRONG
inappreciable insignificant little negligible small trifling trivial unimportant unsubstantial
ADJECTIVE
eminent, influential, outstanding
Synonyms
STRONGEST
eminent esteemed great influential of note outstanding powerful prominent
STRONG
big-time celebrated distinguished famous foremost grand high-level high-profile high-ranking high-up preeminent
WEAK
illustrious major-league notable noted
Antonyms
STRONGEST
common ordinary
WEAK
little normal small unknown
ADJECTIVE
major
Synonyms
STRONGEST
chief key leading major primary principal
STRONG
ascendant central staple
Antonyms
STRONG
auxiliary marginal minor secondary
ADJECTIVE
crucial
Synonyms
STRONGEST
critical crucial essential imperative necessary urgent vital
STRONG
pivotal
WEAK
pressing
Antonyms
STRONGEST
inessential uncritical unnecessary
WEAK
nonessential optional trivial
ADJECTIVE
having personal or emotional value
Synonyms
STRONG
cherished dear mattering much meaningful priceless valued
Antonyms
STRONG
meaningless

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.

Returning to the Champions League - five years after featuring for Liverpool in victories over Porto and AC Milan - would represent another important step in Morton's journey.

From BBC • Apr. 4, 2026

I once believed that it was, without question, the most important one.

From Slate • Apr. 4, 2026

In a new Intuit poll, 81% of parents said their current financial stress has made them realize how important it is to teach their kids about money.

From MarketWatch • Apr. 4, 2026

Now they get to play the most important.

From Los Angeles Times • Apr. 4, 2026

I didn’t know what it was, but I knew it was important.

From "Code Name Kingfisher" by Liz Kessler

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.