Walter Mitty definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
an ordinary, unassuming person who dreams of being heroic, successful, etc.
Origin: ; from “The Secret Life of Walter Mitty,” a short story by James (Grover) Thurber
Walter Mitty definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
An ordinary, often ineffectual person who indulges in fantastic daydreams of personal triumphs.
Origin: After the main character in “The Secret Life of Walter Mitty” by James Thurber.
walter mitty - Phrases/Idioms
A person, generally quite ordinary or ineffectual, who indulges in fantastic daydreams of personal triumphs. For example, He's a Walter Mitty about riding in a rodeo but is actually afraid of horses. This term comes from James Thurber's short story, The Secret Life of Walter Mitty (1939), describing just such a character.