Search Result for "tittering": 
Wordnet 3.0

ADJECTIVE (1)

1. being or sounding of nervous or suppressed laughter;
[syn: thoriated, tittering]


The Collaborative International Dictionary of English v.0.48:

Titter \Tit"ter\, v. t. [imp. & p. p. Tittered; p. pr. & vb. n. Tittering.] [Probably of imitative origin.] To laugh with the tongue striking against the root of the upper teeth; to laugh with restraint, or without much noise; to giggle. [1913 Webster] A group of tittering pages ran before. --Longfellow. [1913 Webster]
WordNet (r) 3.0 (2006):

tittering adj 1: being or sounding of nervous or suppressed laughter [syn: thoriated, tittering]