Synonyms of once

once 1 of 3

adverb

as in formerly

at an earlier or previous time

I once knew the quotation, but time has taken its toll on my brain cells

Synonyms & Similar Words

• formerly
• onetime
• erstwhile

Antonyms & Near Antonyms

• recently
• now
• lately
• currently
• presently

once

2 of 3

adjective

as in former

having been such at some previous time

the once child star is now a lawyer in the entertainment industry

Synonyms & Similar Words

• former
• old
• other
• erstwhile
• past
• sometime
• late
• onetime
• whilom
• quondam
• vanished
• defunct
• gone
• departed
• bygone
• expired
• extinct
• long-ago
• dead

Antonyms & Near Antonyms

• present
• current
• contemporary
• ongoing
• future
• prospective
• extant
• present-day
• coming
• unborn

once

3 of 3

conjunction

as in when

just at the moment that

you should have stopped wrestling once you knew someone was getting hurt, not five minutes later

Synonyms & Similar Words

• when
• immediately
• instantly
• as soon as

Antonyms & Near Antonyms

• after
• since
• directly

Phrases Containing once

• at once
• once in a blue moon
• once in a while