mumchance UK /ˈmʌm.tʃɑːns/US /ˈmʌm.t͡ʃæns/noun 2adjective 1forms 3 noun2 •An old game of chance played with cards in silence.Bear and wolf, look to your prisoner—prance, hobby—hiss, dragon, and halloo, boys—we grow older every moment we stand idle, and life is too short to be spent in playing mumchance. — 1820 •A silent, stupid person.I'm not such a mumchance, to be sure, but I've as good a fortune — 1830 adjective1 •Mute, or not speaking; silent.I wrote Miss Crane off as mediocre because although she chatted quite pleasantly and intelligently over coffee she was mostly mumpchance at the dinner table. Oh, not mumpchance tout court. — 1966 formsmumchances · more mumchance · most mumchance