Synonyms of incapable in English:

incapable


See definition of incapable

adjective

1‘a manager must train staff without making them feel stupid or incapable’

SYNONYMS
incompetent, inept, lacking ability, no good, inadequate, not good enough, leaving much to be desired, inexpert, unproficient, unskilful, ineffective, ineffectual, inefficacious, feeble, unfit, unfitted, unqualified, inferior
unequal to the task
informal not up to scratch, out of one's depth, not up to it, not up to snuff, useless, hopeless, pathetic, a dead loss, cack-handed, ham-fisted
British informal not much cop
British vulgar slang not know one's arse from one's elbow, couldn't organize a piss-up in a brewery
North American vulgar slang not know one's ass from a hole in the ground, not know one's ass from one's elbow
ANTONYMS

capable, competent

2‘he was judged to be mentally incapable’

SYNONYMS
incapacitated, helpless, powerless, impotent

3‘they were incapable of fending for themselves’

SYNONYMS
unable to, not capable of, lacking the ability to, not equipped to, lacking the experience to
ANTONYMS

capable of, able to

4‘a problem which is incapable of solution’

SYNONYMS
not open to, not admitting of, not susceptible to, resistant to, impervious to
ANTONYMS

capable of, open to