incapable

1. (followed by `of') lacking capacity or ability (synset 300308272)
   "incapable of carrying a tune"; "he is incapable of understanding the matter"; "incapable of doing the work"
   also: incompetent - not qualified or suited for a purpose
   tells us about:

   • capability, capableness - the quality of being capable -- physically or intellectually or legally
   • capability, capableness, potentiality - an aptitude that may be developed
   similar to: unable - (usually followed by `to') lacking necessary physical or mental ability
2. Not being susceptible to or admitting of something (usually followed by `of') (synset 302372634)
   "incapable of solution"
   similar to: insusceptible, unsusceptible - not susceptible to
3. (followed by `of') not having the temperament or inclination for (synset 300308986)
   "simply incapable of lying"
4. Not meeting requirements (synset 300052486)
   "unequal to the demands put upon him"
   similar to: inadequate, unequal - lacking the requisite qualities or resources to meet a task
   same as: incompetent, unequal to

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