most useful

ADJECTIVE

beneficial, valuable

Synonyms

STRONGEST

advantageous appropriate convenient effective favorable fruitful good handy helpful practical pragmatic profitable proper suitable

STRONG

utile

WEAK

all-purpose applied brave commodious fit functional instrumental meet of assistance of service of use practicable propitious purposive salutary serviceable subsidiary suited toward

Antonyms

STRONGEST

awkward bad disadvantageous disagreeable harmful hurtful impotent improper inappropriate incapable inconvenient injurious misbehaving unacceptable unfitting unhandy unhelpful unproductive unskilled unsuitable unsuited useless worthless

WEAK

unusable unvaluable

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.

See Examples For:

most useful

The most useful thing AI does for a writer is adversarial.

From The Wall Street Journal ● Aug. 17, 2026

But both agree that attachment theory is most useful when it helps people understand patterns rather than define themselves.

From BBC ● Jul. 28, 2026

Yet, “Fedspeak” may be the central bank’s most useful tool at the moment, in part because it holds the least potential for negative fallout.

From Barron's ● Jun. 29, 2026

First proposed within the last decade, these materials may combine some of the most useful characteristics of both ferromagnets and antiferromagnets, potentially opening the door to faster, more energy-efficient electronics.

From Science Daily ● Jun. 23, 2026

One of the most useful things Keeth did for me was to give me a list of simple exercises to do every day to make me a better fencer.

From "Proud" by Ibtihaj Muhammad