| halfwit(noun, simple, fool, innocent, jerk) |
| dullard(noun, fool, dolt, ignoramus) |
| dope(noun, person, simple, ability, informal) |
| numskull(noun, simple, fool, innocent, incompetent) |
| jackass(noun, ability) |
| twit(noun, person, simple, fool, innocent) |
| bonehead(noun, person, simple, fool, innocent) |
| dim-wit |
| dumbbell(noun, person, fool, stupid, sap) |
| dunderhead(noun, simple, fool, innocent, jerk) |
| oaf(noun, person, simple, fool, stupid) |
| birdbrain(noun, simple, fool, innocent, jerk) |
| tomfool(noun, person, ability, fool) |
| retard |
| donkey(noun, fool, incompetent, butcher) |
| stupid(noun, person, fool, sap, yoyo) |
| ninny-hammer |
| stupid person(noun, expression, idiom, fool, stupid) |
| buffoon(simple, fool, innocent, jerk, clown) |
| chump(noun, fool, stupid, sap, jerk) |