delineate vs redefine

delineate is an adjective but redefine is not an adjective.

Word	Noun	Adjective	Verb	Adverb
delineate	No	Yes	Yes	No
redefine	No	No	Yes	No

As verbs, redefine is a hyponym of delineate; that is, redefine is a word with a more specific, narrower meaning than delineate:

Other hyponyms of delineate include determine.

delineate (adjective)	redefine (adjective)
represented accurately or precisely

delineate (verb)	redefine (verb)
describe in vivid detail	give a new or different definition of (a word)
make a mark or lines on a surface	give a new or different definition to
trace the shape of
determine the essential quality of
show the form or outline of