Answer: titters

AnswerCrossword Clue
TITTERSGiggles
TITTERSLaughs nervously
TITTERSSnickers.
TITTERSNervous laughs.
TITTERSGiggles.
TITTERSAffected laughs.
TITTERSLaughs nervously.
TITTERSSnickers
TITTERSNervous noises
TITTERSTee-hees
TITTERSNervous giggles
TITTERSStifled laughs
TITTERSNervous laughter
tittersto giggle
tittersgiggle
tittersTITTER, to utter a restrained, nervous laugh