efface vs dim

efface is not an adjective while dim is an adjective.

Word	Noun	Adjective	Verb	Adverb
efface	No	No	Yes	No
dim	No	Yes	Yes	No

As verbs, dim is a hypernym of efface; that is, dim is a word with a broader meaning than efface:

Other hypernyms of efface include blur, slur.

efface (adjective)	dim (adjective)
	made dim or less bright
	lacking in light; not bright or harsh
	offering little or no hope
	lacking clarity or distinctness
	slow to learn or understand; lacking intellectual acuity

efface (verb)	dim (verb)
remove completely from recognition or memory	make dim or lusterless
remove by or as if by rubbing or erasing	become dim or lusterless
make inconspicuous	make dim by comparison or conceal
	become vague or indistinct
	switch (a car's headlights) from a higher to a lower beam