Titter has 5 different meanings across 2 categories:
Noun
· Verb
Noun
1
a nervous restrained laugh
2
A nervous or somewhat repressed giggle.
Verb
1
laugh nervously
"The girls giggled when the rock star came into the classroom"
2
To laugh or giggle in a somewhat subdued or restrained way, as from nervousness or poorly-suppressed amusement.
Broader Terms (hypernyms)