Top definition
A word that has an opposite meaning to another word.
Jeer is the antonym of ovation.
by LRS November 16, 2004
Happy St. Patties Day!
buy the domain for your cat blog
used when you are talking about your aunt and the people she lives or hangs around with
man 1: yo dawg, who we gonna go see tonight?

man 2: ohh, we gonna go to my antonym's house
by Teo February 27, 2004
Happy St. Patties Day!