Definition of GU

1 genitourinary
2 Guam

Keep scrolling for more

More Definitions for GU

Kids Definition of GU

Guam

Medical Definition of GU

genitourinary

Comments on GU

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

WORD OF THE DAY

to spread over or through

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

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