a person lacking intelligence or sense a mongrel dog; cur
WordReference Random House Learner's Dictionary of American English © 2025
mutt /mʌt/USA pronunciation
n. [countable][Slang.]
WordReference Random House Unabridged Dictionary of American English © 2025- Slang Termsa dog of mixed breeds:Spot was just a mutt, but the children loved him.
- Slang Termsa stupid or foolish person;
simpleton.
mutt
(mut),USA pronunciation n. [Slang.]
- Slang Termsa dog, esp. a mongrel.
- Slang Termsa stupid or foolish person;
simpleton.
- short for muttonhead 1900–05, American.
Collins Concise English Dictionary © HarperCollins Publishers::
'mutt' also found in these entries (note: many are not synonyms or translations):