Noun titter has 1 sense
  1. titter - a nervous restrained laugh
    --1 is a kind of
    laugh, laughter
    Derived form: verb titter1
,Verb titter has 1 sense
  1. giggle, titter - laugh nervously; "The girls giggled when the rock star came into the classroom"
    --1 is one way to laugh, express joy, express mirth
    Derived forms: noun titterer1, noun titter1
    Sample sentence:
    Somebody ----s
,
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