further vs wink at

further is an adjective but wink at is not an adjective.

Word	Noun	Adjective	Verb	Adverb
further	No	Yes	Yes	Yes
wink at	No	No	Yes	No

As verbs, wink at is a hyponym of further; that is, wink at is a word with a more specific, narrower meaning than further:

Other hyponyms of further include connive at, cultivate, foster, further, spur, help, carry, feed, conduce, contribute, lead.

further (adjective)	wink at (adjective)
more distant in especially degree

further (verb)	wink at (verb)
contribute to the progress or growth of	give one's silent approval to
promote the growth of

further (adverb)	wink at (adverb)
to or at a greater distance in time or space (`farther' is used more frequently than `further' in this physical sense)
to or at a greater extent or degree or a more advanced stage (`further' is used more often than `farther' in this abstract sense)
in addition or furthermore