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synonyms
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all of sudden

see definition of all of sudden
  • as insuddenly
  • as inabruptly
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Synonyms for all of sudden

adv unexpectedly
  • abruptly
  • all of a sudden
  • quickly
  • swiftly
  • short
  • aback
  • all at once
  • asudden
  • forthwith
  • on spur of moment
  • sudden
  • unanticipatedly
  • unaware
  • unawares
  • without warning

Antonyms for all of sudden

  • expectedly
  • slowly