1
a
: of, relating to, or characterized by sexual or romantic attraction to people of one's same sex
gay people/men/women
a gay couple
a gay woman in her 40s
The actor, who came out as gay before his claim to fame, is speaking publicly about his sexuality.—
Shelby Stivale
—often used to refer to men only… a … poll showed 75 percent of likely voters support allowing gay and lesbian couples to marry.—
Michael Smolens
b
: of, relating to, or intended for people who are gay, lesbian, bisexual, transgender, etc.
gay culture
gay pride celebrations
… the gay bar … that was the site of the June 1969 riots generally considered to be a turning point in the modern gay rights movement.—
Matt Lavietes
2
a
: happily excited : merry
in a gay mood
b
: keenly alive and exuberant : having or inducing high spirits
a bird's gay spring song
4
: given to social pleasures
also
: licentious
gay
adverb
gayness
noun
Love words? Need even more definitions?
Merriam-Webster unabridged



