| unequal(adjective, weak, ability, poor, excess) |
| uninitiated(adjective, useless, inept, unable, unskilled) |
| unpolished(adjective, clumsy, inelegant, graceless, unskillful) |
| unpracticed(adjective, unqualified, inept, unfamiliar, inexperienced) |
| unproficient(adjective, useless, unqualified, inept, clumsy) |
| unsatisfactory(adjective, poor, unreasonable, inadequate, improper) |
| awful |
| blunderer(noun, fool, butcher, bungler, bumbler) |
| botcher(fool, butcher) |
| bumbler(noun, fool, butcher, bungler, fumbler) |
| bungle(noun, bomb, disappointment, catastrophe, letdown) |
| clunky |
| effete(adjective, weak, thin, delicate, shaky) |
| failing(noun, adjective, weak, slight, poor) |
| faulty(adjective, poor, short, inadequate, useless) |
| forceless(adjective, weak, inferior, inadequate, limited) |
| found wanting(expression, weak, poor, insufficient, scarce) |
| fumbler(noun, fool, butcher, bungler, bumbler) |
| half ass |
| ham-fisted(awkward, inept, clumsy, inexpert, unskilled) |