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.

See Examples For:

once

Smiling just once offered little additional happiness compared with allowing their faces to respond naturally.

From Science Daily ● Nov. 14, 2026

That means people affected by Friday’s outages may have fewer re-booking options once the systems are back up.

From MarketWatch ● Nov. 13, 2026

But that’s a future we should all have the power to shape—and indeed we can, once we apply some skepticism to these terror-inducing predictions.

From The Wall Street Journal ● Nov. 13, 2026

A full post-incident report will be released once Microsoft has completed a review.

From BBC ● Nov. 13, 2026

I had to tell her once she started living with us.

From "Split the Sky" by Marie Arnold

Vocabulary lists containing once

4-letter words, List 2

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Example Sentences

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Vocabulary lists containing once

4-letter words, List 2

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