on fleek vs well-favoured

on fleek and well-favoured both are adjectives.

Word	Noun	Adjective	Verb	Adverb
on fleek	No	Yes	No	No
well-favoured	No	Yes	No	No

As adjectives, on fleek and well-favoured are synonyms defined as:

on fleek and well-favoured: pleasing in appearance especially by reason of conformity to ideals of form and proportion

Other synonyms of on fleek include better-looking, fine-looking, good-looking, handsome, well-favored.

on fleek (adjective)	well-favoured (adjective)
pleasing in appearance especially by reason of conformity to ideals of form and proportion	pleasing in appearance especially by reason of conformity to ideals of form and proportion