| nincompoop(noun, characteristic, person, idiocy) |
| ninny(noun, characteristic, person, idiocy) |
| nitwit(noun, characteristic, person, idiocy) |
| pinhead(noun, characteristic, person, idiocy) |
| simpleton(noun, characteristic, person, idiocy) |
| tomfool(noun, characteristic, person, idiocy) |
| twit(noun, characteristic, person, idiocy) |
| addlebrain(noun, insult, blunder, swearing) |
| blunderer(noun, insult, blunder, swearing) |
| botcher(noun, insult, blunder, swearing) |
| bumbler(noun, insult, blunder, swearing) |
| bungler(noun, insult, blunder, swearing) |
| butcher(noun, insult, blunder, swearing) |
| butterfingers(noun, insult, blunder, swearing) |
| clod(noun, insult, blunder, swearing) |
| dolt(noun, insult, blunder, swearing) |
| donkey(noun, insult, blunder, swearing) |
| duffer(noun, insult, blunder, swearing) |
| featherbrain(noun, insult, blunder, swearing) |
| foul-up(noun, insult, blunder, swearing) |