without necessary physical or intellectual equipment; "guerrillas unequipped for a pitched battle"; "unequipped for jobs in a modern technological society"
not meeting requirements; "unequal to the demands put upon him"
(followed by `of') lacking capacity or ability; "incapable of carrying a tune"; "he is incapable of understanding the matter"; "incapable of doing the work"
(followed by `of') not having the temperament or inclination for; "simply incapable of lying"
lacking the necessary skill or knowledge etc.; "an incapable helper"
not appropriate in application; defective; "an infelicitous remark"; "infelicitous phrasing"; "the infelicitous typesetting was due to illegible copy"
marked by or producing unhappiness; "infelicitous circumstances"; "unhappy caravans, straggling afoot through swamps and canebrakes"- American Guide Series