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Showing results for important.
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.

"I'm proud to call myself the space plumber, I like to say that it is probably the most important piece of equipment on board," she said.

From BBC • Apr. 5, 2026

About two weeks after the start of the Iran war, Dow Chief Executive Jim Fitterling told investors something they hadn’t heard in a while about one of the company’s most important products.

From The Wall Street Journal • Apr. 5, 2026

Although subtle, these processes play an important role in shaping the planet's surface and atmosphere.

From Science Daily • Apr. 5, 2026

Scientists have taken an important step toward next-generation energy technology by developing a proof-of-concept quantum battery that can charge, store, and release energy.

From Science Daily • Apr. 4, 2026

“The essay didn’t blame him. The contest is important to me.”

From "Keeping Pace" by Laurie Morrison

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