Definitions

at one time

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formerly adv.
once adv.
previously adv.

ADVERB

formerly

Synonyms

STRONGEST

already earlier heretofore once

STRONG

erstwhile

WEAK

a while back aforetime anciently away back back back when before before now before this down memory lane eons ago erewhile in former times in the olden days in the past lately long ago of old of yore olden days once upon a time radically some time ago time was used to be water under the bridge

Antonyms

WEAK

currently future presently subsequently

ADVERB

once

Synonyms

STRONGEST

already before earlier formerly late previously

STRONG

erstwhile

WEAK

a single 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

ADVERB

previously

Synonyms

STRONGEST

already formerly heretofore hitherto long ago once then

STRONG

antecedently

WEAK

a while ago ahead ante away back back back when before beforehand erstwhile fore forward in advance in anticipation in days gone by in the past precedently time was until now

Antonyms

WEAK

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:

at one time

Mizrahi was, at one time, one of the foremost purveyors of these frolicsome frocks.

From Salon ● Sep. 5, 2026

Harry was at one time among Britain's most popular royals -- a military and charity trailblazer with the fiery red hair and rebellious streak.

From Barron's ● Aug. 23, 2026

It is more unusual to see an outbreak like this linked to one specific stain of the bacterium affecting many people at one time.

From BBC ● Aug. 18, 2026

The S&P 500 advanced 136 points, or 1.8%, on Aug. 4 and was up more than 150 points at one time intraday.

From MarketWatch ● Aug. 6, 2026

These were important engineering milestones, but what visitors adored was the sheer beauty of seeing so many lights ignited in one place, at one time.

From "The Devil in the White City" by Erik Larson

at one time

Example Sentences

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