1.
Without capacity for, unable to, incompetent for, not capable of, disqualified for.
2.
Not susceptible of, not admitting of.
3.
Not base enough for, too good or great for, utterly above.
INCAPABLE OF
Meaning of INCAPABLE OF in English
Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012