unmouthable

English

Etymology

un- +‎ mouthable

Adjective

unmouthable (comparative more unmouthable, superlative most unmouthable)

1. (dated) unpronounceable
   • 1852, Proceedings of the ... Session of the American Pomological Congress, page 82:

     I hope the Congress will sanction some substitutes for the worst of the unmouthable foreign names. The pronunciation of these is so diverse, and generally so ludicrous and incomprehensible, […]