Once (noun) Definition, Meaning & Examples

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adverb
  1. at one time in the past; formerly: I was a farmer once;a once powerful nation.
  2. a single time: We ate there just once.We go to a movie once a week.
  3. even a single time; at any time; ever: If the facts once become known, it will be just too bad.
  4. by a single step, degree, or grade: a cousin once removed.
adjective
  1. former; having at one time been: the once and future king.
conjunction
  1. if or when at any time; if ever.
  2. whenever; as soon as: Once you're finished, you can leave.
noun
  1. a single occasion; one time only: Once is enough.
Idioms
  1. all at once,
    • simultaneously: The children were running, screaming, and throwing things all at once.
    • suddenly: All at once the rain came down.
  2. at once,
    • at the same time; simultaneously: Don't all speak at once.
    • immediately; promptly: Tell him to come at once!
  3. repeatedly: He has been told once and again not to slam the door.
  4. decisively; finally: Let's settle this problem once and for all.
  5. at intervals; occasionally: She stops in to see us once in a while.
  6. a very few times; infrequently: I've seen her in the elevator once or twice.
  7. at some unspecified past time, especially a long time ago: Once upon a time, in a faraway land, there lived a prince and princess.
adverb
  1. one time; on one occasion or in one case
  2. at some past time; formerly
  3. by one step or degree (of relationship)
  4. ever; at all
  5. multiplied by one
  6. once and away
    • conclusively
    • occasionally
  7. conclusively; for the last time
  8. occasionally; now and then
  9. a few times
  10. used to begin fairy tales and children's stories
conjunction
  1. as soon as; if ever or whenever
noun
  1. one occasion or case
  2. all at once
    • suddenly or without warning
    • simultaneously
  3. at once
    • immediately
    • simultaneously
  4. this time, if (or but) at no other time
Once (noun) Definition, Meaning & Examples

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