Noun:
1: gay, homo, homosexual, homophile someone who practices homosexuality; having a sexual attraction to persons of the same sex
Adjective:
1: gay, sunny, cheery, cheerful bright and pleasant; promoting a feeling of cheer; "a cheery hello"; "a gay sunny room"; "a sunny smile"
2: jolly, gay, jovial, jocund, joyous, mirthful, merry 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"
3: gay, indulgent given to social pleasures often including dissipation; "led a gay Bohemian life"; "a gay old rogue with an eye for the ladies"
4: braw, gay, colorful, colourful, brave 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"
5: festive, festal, merry, joyous, gay offering fun and gaiety; "a festive (or festal) occasion"; "gay and exciting night life"; "a merry evening"
6: homosexual, gay, queer, homophile homosexual or arousing homosexual desires