Dictionary.com
definitions
  • synonyms

Idioms and Phrases with in one ear and out the other

in one ear and out the other

Quickly forgotten, as in Their advice to her just went in one ear and out the other. This expression, a proverb in John Heywood's 1546 collection, conjures up a graphic image of sound traveling through one's head. [Late 1300s]

Show More
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.