Read the dictionary definition of gay. All definitions for this word.
1. someone who is sexually attracted to persons of the same sex
2. bright and pleasant; promoting a feeling of cheer
1. a cheery hello
2. a gay sunny room
3. a sunny smile
3. brightly colored and showy
1. girls decked out in brave new dresses
2. brave banners flying
3. `braw' is a Scottish word
4. a dress a bit too gay for her years
5. birds with gay plumage
4. homosexual or arousing homosexual desires
5. given to social pleasures often including dissipation
1. led a gay Bohemian life
2. a gay old rogue with an eye for the ladies
6. offering fun and gaiety
1. a festive (or festal) occasion
2. gay and exciting night life
3. a merry evening
7. full of or showing high-spirited merriment
1. when hearts were young and gay
2. a poet could not but be gay, in such a jocund company
3. the jolly crowd at the reunion
4. jolly old Saint Nick
5. a jovial old gentleman
6. have a merry Christmas
7. peals of merry laughter
8. a mirthful laugh
See also:
Merriam-Webster definition of gay