mumchance
[adjective]
Synonyms: silent, dumb, mum, mute, speechless, wordless

[TahlilGaran] English Synonym Dictionary ▲

mumchance noun, adjective, & adverb. ['mʌmtʃɑ:ns] Now arch., dial., & literary. E16.
[Middle Low German mummenschanze, -scanze, -kanze game of dice, masked serenade, from mummen mask, disguise + schanz from Old & mod. French chëance CHANCE noun.]
A. noun.
1. A dicing game resembling hazard. E16-M17.

2. Masquerade; mumming. M-L16.

3. A person who acts in dumb show; a person who has nothing to say. obsolete exc. dial. L17.
b. adjective & adverb. Silent(ly); tongue-tied. L17.

[TahlilGaran] English Dictionary ▲