(a) Of persons: indolent, lazy, lax; negligent, remiss; slow (to do sth.); slak and slou (slewful), slou and slak; slak in (to), negligent of (a duty); slak of bileve, of weak, uncertain faith; (b)……
(a) Of a person: strong, powerful; violent, cruel; robust, healthy; of an army, a host, etc.: powerful, fierce, cruel; also, as noun: powerful or high-ranking people [quot. c1425]; stor and stark……
As a generally laudatory or positive term (the precise gloss is highly contextual)
(a) of a person: selected, chosen; of a time: appointed, set;
(b) of a person, personal habits or customs: goodly,……