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Verb: titter  ti-tu(r)
  1. Laugh nervously
    "The girls tittered when the rock star came into the classroom";
    - giggle
Noun: titter  ti-tu(r)
  1. A nervous restrained laugh

Derived forms: tittered, titters, tittering

See also: tittering

Type of: express joy, express mirth, laugh, laughter

Encyclopedia: Titter