having or showing a merry, lively mood

gay spirits; gay music.

bright or showy

gay colors; gay ornaments.

given to or abounding in social or other pleasures

a gay social season.

licentious; dissipated; wanton

The baron is a gay old rogue with an eye for the ladies.

homosexual.

of, indicating, or supporting homosexual interests or issues

a gay organization.

a homosexual person, esp. a male.

in a gay manner.

adjective

depressed , discouraged , sad , unhappy , upset , worried , colorless , dull , lifeless , plain , uncolorful , heterosexual

adjective

alert , animate , animated , blithe , blithesome , bouncy , brash , carefree , cheerful , cheery , chipper * , chirpy , confident , convivial , devil-may-care * , festive , forward , frivolous , frolicsome , fun-loving , gamesome , glad , gleeful , hilarious , insouciant , jocund , jolly , jovial , joyful , joyous , keen , lighthearted , lively , merry , mirthful , playful , pleasure-seeking , presuming , pushy , rollicking , self-assertive , sparkling , spirited , sportive , sprightly , sunny , vivacious , wild , zippy * , brave , bright , brilliant , flamboyant , flashy , fresh , garish , gaudy , intense , rich , showy , homoerotic , homophile , lesbian , sapphic , boon , vivid , homosexual , dissipated , dissolute , fast , incontinent , licentious , profligate , rakish , unbridled , unconstrained , uncontrolled , ungoverned , uninhibited , unrestrained , wanton , (colloq.) loose , airy , brisk , chipper , colorful , dashing , exhilarating , flashing , frisky , gallant , happy , jocular , riant , tawdry