Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

not (in) the least

idiom

Definition of not (in) the least

: not at all : not in any way or respect
  • It did not interest me in the least.
  • That joke was not in the least funny.
  • I'm not the least worried.

Word by Word Definitions

least play

  1. : superlative of little:1

  2. : lowest in importance or position

  3. : smallest in size or degree

  1. : one that is least

  1. : superlative of little:2

  2. : in the smallest or lowest degree

See the full definition of least

Seen and Heard

What made you want to look up not (in) the least? 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