child's play

noun

1. something very easily done.

child's play

noun

1. informal.
   something that is easy to do

Word History and Origins

Origin of child's play¹

Middle English word dating back to 1350–1400

Idioms and Phrases

Something easily done, a trivial matter. For example, Finding the answer was child's play for Robert , or The fight we had was child's play compared to the one I had with my mother! Originating in the early 1300s as child's game , the idiom was already used in its present form by Chaucer in The Merchant's Tale: “It is no child's play to take a wife.”

Example Sentences

But, of course, the bombing of those prentice days would be childs play to the bombing of the next war.

From Project Gutenberg

And upon all this childs-play, this mere make-believe, our good-natured nation is proud of spending some half-million of money.

From Project Gutenberg

Not infrequently the symphony, because of its second movement, had been declared to be childs play.

From Project Gutenberg

The finest colored enameling ever made would be childs play compared with a piece of this early jewelry.

From Project Gutenberg

It will be only a childs play before Christmas and no cause for the Governors displeasure.

From Project Gutenberg