gay gay /ˈgeɪ/

adjective

1. () Bright and pleasant; promoting a feeling of cheer  ( sunshiny , sunny , cheery , gay )
   bright and pleasant; promoting a feeling of cheer
    A cheery hello
   a cheery hello
    A gay sunny room
   a gay sunny room
    A sunny smile
   a sunny smile
   
2. () Brightly colored and showy  ( brave , braw [Dialect, UK] , gay )
   brightly colored and showy
    Girls decked out in brave new dresses
   girls decked out in brave new dresses
    Brave banners flying
   brave banners flying
    Braw' is a Scottish word
   braw' is a Scottish word
    A dress a bit too gay for her years
   a dress a bit too gay for her years
    Birds with gay plumage
   birds with gay plumage
   
3. () Given to social pleasures often including dissipation  ( gay )
   given to social pleasures often including dissipation
    Led a gay Bohemian life
   led a gay Bohemian life
    A gay old rogue with an eye for the ladies
   a gay old rogue with an eye for the ladies
   
4. () Full of or showing high-spirited merriment  ( jocund , mirthful , jolly , gay , jovial , merry )
   full of or showing high-spirited merriment
    When hearts were young and gay
   when hearts were young and gay
    A poet could not but be gay, in such a jocund company
   a poet could not but be gay, in such a jocund company
    The jolly crowd at the reunion
   the jolly crowd at the reunion
    Jolly old Saint Nick
   jolly old Saint Nick
    A jovial old gentleman
   a jovial old gentleman
    Have a merry Christmas
   have a merry Christmas
    Peals of merry laughter
   peals of merry laughter
    A mirthful laugh
   a mirthful laugh
   
5. () Homosexual or arousing homosexual desires  ( homophile [Archaic] , queer [Offensive] , gay )
   homosexual or arousing homosexual desires
   
6. () Offering fun and gaiety  ( festal , gay , merry , festive )
   offering fun and gaiety
    A festive (or festal) occasion
   a festive (or festal) occasion
    Gay and exciting night life
   gay and exciting night life
    A merry evening
   a merry evening
   

noun

1. Someone who is sexually attracted to persons of the same sex  ( gay , homo [Offensive] , homophile [Archaic] , homosexual )
   someone who is sexually attracted to persons of the same sex