Word: tittering
Part of speech: Verb
Syllables: ti
tter
ing
Definition: Present participle of titter; laugh nervously
Morphemes:
Affix: titter
Language: en
PoS: Verb
Meaning: To laugh or giggle in a somewhat subdued or restrained way, as from nervousness or poorly-suppressed amusement.
Affix: -ing
Language: en
PoS: Suffix
Meaning: Used to form present participles of verbs.