Answer: tittered

AnswerCrossword Clue
TITTEREDGiggled nervously
TITTEREDGiggled.
TITTEREDLaughed, in a way.
TITTEREDLaughed.
TITTEREDGiggled
TITTEREDGot the giggles
TITTEREDLaughed like a groupie
titteredgiggle
titteredto giggle
titteredTITTER, to utter a restrained, nervous laugh