Free & Quick Proofreading from Grammarly!

once Idioms & Phrases

all at once

  • adverb all at the same time
    all together.
    • Let's say `Yes!' all at once
  • adverb without warning
    all of a sudden.
    • all at once, he started shouting

At all, At home, At large, At last, At length, At once, etc.

  • See under All, Home, Large, Last (phrase and syn.), Length, Once, etc.
Webster 1913

At once

  • adverb without delay or hesitation; with no time intervening
    straightaway; forthwith; like a shot; straight off; directly; right away; immediately; now; instantly.
    • he answered immediately
    • found an answer straightaway
    • an official accused of dishonesty should be suspended forthwith
    • Come here now!
  • adverb simultaneously
    at a time; at one time.
    • he took three cookies at a time
  • . (a) At the same point of time; immediately; without delay . "Stand not upon the order of your going, but go at once." Shak. "I . . . withdrew at once and altogether." Jeffrey. (b) At one and the same time; simultaneously; in one body; as, they all moved at once.
Webster 1913

compact disc write-once

  • noun a compact disc on which you can write only once and thereafter is read-only memory
    CD-R; CD-WO; compact disc recordable.

give the once over

  • verb look at with a critical eye
    give the eye.
    • When the movie star entered, all the women gave him the once over

once again

  • adverb anew
    again; once again; over again.
    • she tried again
    • they rehearsed the scene again

Once and again

  • once and once more; repeatedly. "A dove sent forth once and again, to spy." Milton.
Webster 1913

once and for all

  • adverb in a conclusive way
    • we settled the problem conclusively

once in a while

  • adverb now and then or here and there
    on occasion; now and again; now and then; occasionally; at times; from time to time.
    • he was arrogant and occasionally callous
    • open areas are only occasionally interrupted by clumps of trees
    • they visit New York on occasion
    • now and again she would take her favorite book from the shelf and read to us
    • as we drove along, the beautiful scenery now and then attracted his attention

once more

  • adverb anew
    again; once again; over again.
    • she tried again
    • they rehearsed the scene again


  • noun a swift cursory examination or inspection
    • I gave him the once-over