gay

nouns

someone who practices homosexuality; having a sexual attraction to persons of the same sex

adjectives

bright and pleasant; promoting a feeling of cheer
"a cheery hello"; "a gay sunny room"; "a sunny smile"
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"
given to social pleasures often including dissipation
"led a gay Bohemian life"; "a gay old rogue with an eye for the ladies"
gay
is similar to
characterized by or given to yielding to the wishes of someone
"indulgent grandparents"
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"
offering fun and gaiety
"a festive (or festal) occasion"; "gay and exciting night life"; "a merry evening"
homosexual or arousing homosexual desires
is derived from