1. (n.) An ass; or (less frequently) a mule.

2. (n.) A stupid or obstinate fellow; an ass.

Boeotian Rocky Mountain canary ass bigot bitter-ender block bullethead burro clod cuddy dickey diehard dimwit dogmatist dolt dope dullard dumb cluck dumbbell dummy dunce fanatic gowk hardnose intransigeant intransigent jack jackass jennet jenny jenny ass jobbernowl lackwit lamebrain last-ditcher lightweight looby loon maverick mule neddy niais nincompoop ninny ninnyhammer nitwit noddy perverse fool pighead positivist purist put rocky schmuck standpat standpatter stickler stupid thickwit witling