blear vs modify

blear is an adjective but modify is not an adjective.

Word	Noun	Adjective	Verb	Adverb
blear	No	Yes	Yes	No
modify	No	No	Yes	No

As verbs, modify is a hypernym of blear; that is, modify is a word with a broader meaning than blear:

Other hypernyms of blear include alter, change.

blear (adjective)	modify (adjective)
tired to the point of exhaustion

blear (verb)	modify (verb)
make dim or indistinct	make less severe or harsh or extreme
	add a modifier to a constituent
	cause to change; make different; cause a transformation