| ill-suited(adjective, useless, unfit) |
| inapplicable(adjective, useless, unfit) |
| inapposite |
| repugnant(adjective, bad, disgusting, hostile, unfriendly) |
| unfitting(verb, adjective, bad, unhappy, improper) |
| unsuited(adjective, useless, unfit) |
| bad(adjective, disgusting, vile, useless, unfit) |
| crippled |
| disinclined |
| faulty(adjective, useless, unfit) |
| ill-equipped(adjective, inadequate, useless, unqualified, inexpert) |
| impotent(weak, skill, incompetent, unfit, unqualified) |
| ineffectual(skill, inadequate, useless, unfit, unable) |
| ineligible(adjective, inadequate, useless, incompetent, unfit) |
| inexpert(adjective, inadequate, useless, incompetent, unqualified) |
| maladjusted(incompetent, unqualified, inept) |
| not equal to(expression, adjective, idiom, weak, inadequate) |
| powerless(weak, skill, unfit, inept, impotence) |
| unadapted(inadequate, useless, inept, unable, unskilled) |
| unendowed |