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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.

As Nasa's Artemis II mission looped the Moon, something important changed back on Earth, says Caitlin Gould.

From BBC • Apr. 18, 2026

Enforcement agencies are really important to promote economic growth.

From Barron's • Apr. 18, 2026

These findings carry important implications for rising sea levels.

From Science Daily • Apr. 18, 2026

“I think it’s very, very important for the pope to be careful when he talks about matters of theology,” Vance explained this week.

From The Wall Street Journal • Apr. 18, 2026

Most important of all: She had no idea how to usher wandering souls.

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

Vocabulary lists containing important

port

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Florida's B.E.S.T. Roots: port

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The Language of the Test, List 5

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!