WordWeb Online

1. Produce musical tones with the voice, esp. words with a tune
   "She was singing while she was cooking"; "My brother sings very well"
    
2. 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. [informal] Divulge confidential information or secrets
   "Be careful--his secretary sings";
   - spill the beans, let the cat out of the bag, talk, tattle, blab [informal], peach [informal], babble, babble out, blab out [informal], give the game away

1. An instance of singing

Derived forms: sings, singing, sung, 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, uncover, unwrap, utter, verbalise [Brit], verbalize

Encyclopedia: Sing, Sing, Sing