WordWeb Online

1. (music) produce tones with the voice
   "She was singing while she was cooking"; "My brother sings very well"
    
2. (music) deliver by singing
   "Sing Christmas carols"
    
3. To make melodious sounds
   "The nightingale was singing"
    
4. Make a whining, ringing, or whistling sound
   "the kettle was singing"; "the bullet sang past his ear";
   - whistle
    
5. Divulge confidential information or secrets
   "Be careful--his secretary sings";
   - spill the beans, let the cat out of the bag, talk, tattle, blab, peach, babble, babble out, blab out

Derived forms: sung, sings, singing, sang

Type of: break, bring out, disclose, discover, divulge, emit, expose, give away, go, interpret, lay bare, let loose, let on, let out, mouth, render, reveal, sound, speak, talk, unwrap, utter, verbalise [Brit], verbalize

Encyclopedia: Sing, Cowboy, Sing Sing, Earthboy, Sing! Sing, Little Birdie Sing Sing, But Keep Going Sing, Choirs of Angels! Sing, You Children Sing, You Sinners Sing, but Keep Going Sing, Swing, Sing Sing, Memory Sing, Sing, Sing Sing, Sinner, Sing