| unrewarding(adjective, arouse bad feelings) |
| unsatisfactory(adjective, poor, inadequate, useless, trivial) |
| unskillful(inadequate, useless, incompetent, inept, unable) |
| unworkable(weak, stupid, idle, useless, incompetent) |
| waste(adjective, poor, base, stupid, inferior) |
| wasteful(incompetent, unproductive) |
| timid |
| abandoned(adjective, poor, base, inferior, insignificant) |
| abject(adjective, poor, base, inferior, insignificant) |
| absurd |
| acarpous |
| aged(adjective, weak, thin, delicate, shaky) |
| ailing(adjective, weak, thin, delicate, shaky) |
| amateurish(inadequate, useless, inept, unable, unskilled) |
| anemic(adjective, dull, light, soft, poor) |
| anticlimactic(adjective, inadequate, limited, feeble, useless) |
| arid |
| around in circles(expression, adjective, idiom, silly, stupid) |
| ashen(adjective, dull, light, soft, poor) |
| ashy(adjective, dull, light, soft, poor) |