Definitions

once

[wuhns] / wʌns /

Part of Speech:

All (2) Adjective (1) Adverb (1)

Jump To:

in the past; occurred one time only adj.
in the past; occurred one time only adv.

ADJECTIVE

in the past; occurred one time only

Synonyms

STRONGEST

already before earlier formerly previously

STRONG

erstwhile late

WEAK

back back when bygone in the old days in the olden days in times gone by in times past long-ago old on one occasion once only once upon a time one one time before one time previously only one time quondam sometime this time time was whilom

ADVERB

in the past; occurred one time only

Synonyms

STRONGEST

already before earlier formerly late previously

STRONG

erstwhile

WEAK

a single time at one time away back back back when but once bygone heretofore in the old days in the olden days in times gone by in times past long ago old on one occasion once only once upon a time one one time before one time previously only one time quondam sometime this time time was whilom

Antonyms

STRONGEST

currently future later presently

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.

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once

He once slept an hour a night for a month straight before collapsing at the office.

From The Wall Street Journal ● Aug. 22, 2026

However, he will have to turn psychologist once more as the new Spurs looked like the old Spurs as they were dismantled in the west London sunshine.

From BBC ● Aug. 22, 2026

They were then given Roseburia species once a week for 8 weeks.

From Science Daily ● Aug. 22, 2026

Interestingly, history teaches us that it doesn’t seem to matter to the stock market which party dominates in the midterm elections; it tends to rally regardless, once premidterm uncertainty gets resolved.

From MarketWatch ● Aug. 22, 2026

Dad predicted she would, and once again, he was right.

From "Red Flags and Butterflies" by Sheryl Azzam

Vocabulary lists containing once

4-letter words, List 2

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once

Example Sentences

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Related Words

Vocabulary lists containing once

4-letter words, List 2