Kilroy

noun Kil·roy \ ˈkilˌrȯi \

Definition of Kilroy

plural -s
:an inveterate traveler
  • like the roamers Kilroy and Ulysses
  • —Peter Viereck
; especially :a transient soldier
  • of all the Kilroys of history who have passed through here … it was Napoleon who best summed up the strategic importance of Malta
  • —J. P. O'Donnell

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

Origin and Etymology of kilroy

after Kilroy, mythical soldier of World War II whose name was inscribed in unlikely places all over the world by American soldiers


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

alert quickness of mind or body

Get Word of the Day daily email!

Love words? Need even more definitions?

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