on/as a lark

idiom
Updated on: 15 Nov 2017

Definition of on/as a lark

US, informal
: just as a way to have fun
  • She entered the race on/as a lark.

Word by Word Definitions

lark play
  1. : any of a family (Alaudidae) of chiefly Old World ground-dwelling songbirds that are usually brownish in color

  1. : a source of or quest for amusement or adventure

  1. : to engage in harmless fun or mischief


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