Merriam-Webster Logo
SINCE 1828
Menu
×

on the lookout for

idiom

Definition of on the lookout for

: looking or searching for (something or someone)
  • An avid shopper, she was always on the lookout for sales.
  • The police are on the lookout for two men who escaped from custody yesterday.

Word by Word Definitions

lookout play

  1. : one engaged in keeping watch : watchman

  2. : an elevated place or structure affording a wide view for observation

  3. : a careful looking or watching

  1. : to take care or concern oneself

See the full definition of lookout

Seen and Heard

What made you want to look up on the lookout for? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games