Word: mumming
Part of speech: Verb
Syllables: mu
mming
Definition: Present participle of mum; failing to speak or communicate etc when expected to
Morphemes:
Affix: mum
Language: en
PoS: Interjection
Meaning: stop speaking!, stop talking!, hush!
Affix: -ing
Language: en
PoS: Suffix
Meaning: Used to form present participles of verbs.