From WordNet (r) 3.0 (2006):
gay
adj 1: bright and pleasant; promoting a feeling of cheer; "a
cheery hello"; "a gay sunny room"; "a sunny smile" [syn:
cheery, gay, sunny]
2: full of or showing high-spirited merriment; "when hearts were
young and gay"; "a poet could not but be gay, in such a
jocund company"- Wordsworth; "the jolly crowd at the
reunion"; "jolly old Saint Nick"; "a jovial old gentleman";
"have a merry Christmas"; "peals of merry laughter"; "a
mirthful laugh" [syn: gay, jocund, jolly, jovial,
merry, mirthful]
3: given to social pleasures often including dissipation; "led a
gay Bohemian life"; "a gay old rogue with an eye for the
ladies"
4: brightly colored and showy; "girls decked out in brave new
dresses"; "brave banners flying"; "`braw' is a Scottish
word"; "a dress a bit too gay for her years"; "birds with gay
plumage" [syn: brave, braw, gay]
5: offering fun and gaiety; "a festive (or festal) occasion";
"gay and exciting night life"; "a merry evening" [syn: gay,
festal, festive, merry]
6: homosexual or arousing homosexual desires [syn: gay,
queer, homophile(a)]
n 1: someone who practices homosexuality; having a sexual
attraction to persons of the same sex [syn: homosexual,
homophile, homo, gay]