bleak vs dim

bleak and dim both are adjectives.

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

As adjectives, bleak and dim are synonyms defined as:

Other synonyms of bleak include black.

bleak (adjective)	dim (adjective)
unpleasantly cold and damp	made dim or less bright
offering little or no hope	lacking in light; not bright or harsh
providing no shelter or sustenance	offering little or no hope
	lacking clarity or distinctness
	slow to learn or understand; lacking intellectual acuity

bleak (verb)	dim (verb)
	make dim or lusterless
	become dim or lusterless
	make dim by comparison or conceal
	become vague or indistinct
	switch (a car's headlights) from a higher to a lower beam