| disorganised person |
| simpleton(noun, fool, idiot, dolt, dunce) |
| idiot(noun, fool, dolt, dunce, ignoramus) |
| dolt(noun, ability, fool, jerk, imbecile) |
| dunce(noun, person, ability, fool, idiot) |
| blockhead(noun, ability, fool, idiot, dummy) |
| dimwit(noun, person, slang, ability, fool) |
| dummy(noun, person, ability, fool, idiot) |
| fool(noun, fool, idiot, dolt, ignoramus) |
| moron(noun, fool, jerk, ass, lightweight) |
| nitwit(noun, fool, dolt, ignoramus) |
| imbecile(noun, fool, dolt, ignoramus) |
| dope(noun, informal, fool, dolt, ignoramus) |
| dumbbell(noun, person, slang, ability, fool) |
| stupid(noun, adjective) |
| clod(noun, ability, fool, ignoramus) |
| ignoramus(noun, fool, idiot, dummy, ignoramus) |
| nincompoop(noun, fool) |
| stupid person(noun, expression, idiom, fool, idiot) |
| ass(noun, fool) |