most crucial

ADJECTIVE

critical, important

Synonyms

STRONGEST

central compelling deciding decisive essential imperative momentous necessary pivotal pressing touchy urgent vital

WEAK

acute clamorous climacteric climatic desperate dire hanging by thread high-priority insistent on thin ice searching showdown touch and go

Antonyms

STRONGEST

inessential insignificant minor optional secondary trivial unimportant unnecessary voluntary

WEAK

uncritical

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.

Remember, the most crucial element of a “soft” off day is that your manager doesn’t know you’re taking one — or at least isn’t bothered by it.

From MarketWatch • Jun. 30, 2026

J.P.Morgan analysts identify the artificial intelligence bottleneck as the most crucial theme in the stock market.

From Barron's • Jun. 1, 2026

Neither side claimed that Trump and Xi talked about placing limits on artificial intelligence—which many see as one of the most crucial areas of competition between the two countries and dangers to the world.

From Slate • May 16, 2026

Rangers had lost just twice in 33 games before the split, and have now lost consecutive games at the most crucial stage of the campaign.

From BBC • May 5, 2026

It also provided a key building block in one of the most crucial, emerging principles of the science of attention: There is a tension going on inside the brain.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel