Once Synonyms

At a time , a single time, and a while ago are synonyms for once; twice and many times are antonyms of once. On this page, you will find 31 another word for once.

31 Another Word for Once

  • A single time
  • A while ago
  • At a time
  • At an earlier time
  • At one point
  • At one time
  • At some point
  • Back in the day
  • Back then
  • Before now
  • Earlier
  • Erstwhile
  • Former
  • Formerly
  • Historically
  • In bygone days
  • In days gone by
  • In earlier days
  • In former times
  • In history
  • In previous years
  • In the past
  • Long ago
  • Long since
  • On one occasion
  • Once upon a time
  • One time
  • Previously
  • Sometime
  • In the old days

Once Sentences

Once you're ready, let's begin.

She smiled once she arrived.

Once the rain stops, we'll leave.

Call me once you finish everything.