Synonyms of sudden in English:

sudden


See definition of sudden

adjective

1‘a sudden downpour took us by surprise’

SYNONYMS

unexpected, unforeseen, unanticipated, unlooked-for, without warning, without notice, not bargained for

immediate, instantaneous, instant, precipitous, precipitate, abrupt, rapid, swift, lightning, quick, hurried, sharp, without delay

ANTONYMS

gradual


Phrases

    all of a sudden

      ‘when you win awards, all of a sudden magazines will call and want your opinion’

      SYNONYMS

      suddenly, immediately, instantaneously, instantly, in an instant, straight away, at once, all at once, promptly, abruptly, in a trice, swiftly

      unexpectedly, without warning, without notice, on the spur of the moment

      informal

      straight off, out of the blue, in a flash, like a shot, before you can say Jack Robinson, before you can say knife, in two shakes, in two shakes of a lamb's tail

      ANTONYMS

      gradually