piece of cake

The saying "a piece of cake" means something that's simple to accomplish. If a school assignment is a piece of cake, it's so easy that you will barely have to think about it.

Other ways to say "it's a piece of cake" include no problem or it's a breeze. Something that's a piece of cake is as easy as eating a delicious piece of cake would be. The Americanism cakewalk, used to mean "something easy," came first, in the 1860's — piece of cake wasn't used until around 1936. Both cake and pie have a long history in the United States as metaphors for things that come easily.

Definitions of piece of cake
  1. noun
    any undertaking that is easy to do
    synonyms: breeze, child's play, cinch, duck soup, picnic, pushover, snap, walkover
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    types:
    doddle
    an easy task
    type of:
    labor, project, task, undertaking
    any piece of work that is undertaken or attempted
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