unable (adjective) unable: not having talent, skill
Sinonime: can't cut it, can't hack it, can't make the grade,
clumsy,
helpless, hog-tied,
impotent, impuissant,
inadequate,
incapable, incapacitated,
incompetent,
ineffectual, inefficacious,
inefficient,
inept, inoperative, no can do, no good, not able, not cut out for, not equal to, not up to, out of commission,
powerless, sidelined, unfit, unfitted, unqualified, unskilled,
weakAntonime: able,
adequate,
capable,
competent,
fit,
qualified,
skillful,
talented