Outrageous is a related term of black.

As an adjective outrageous

is cruel, violating morality or decency; provoking indignation or affront.

As a proper noun black is

.

As adjectives the difference between elegant and impressive

is that elegant is characterised by or exhibiting elegance while impressive is making, or tending to make, an impression; having power to impress; adapted to excite attention and feeling, to touch the sensibilities, or affect the conscience; as, an impressive discourse; an impressive scene.

As nouns the difference between enthusiast and visionary

is that enthusiast is a person filled with or guided by enthusiasm while visionary is someone who has visions; a seer.

As an adjective visionary is

having vision or foresight.

Backward is a related term of distant.

As adjectives the difference between backward and distant

is that backward is (of motion) pertaining to the direction towards the back while distant is far off (physically, logically or mentally).

As an adverb backward

is (of motion) in the direction towards the back; backwards.

As a noun backward

is the state behind or past.

Office is a related term of trade.

As a noun office

is a building or room where clerical or professional duties are performed.

As a verb trade is

.

As nouns the difference between oppressiveness and literalness

is that oppressiveness is the characteristic of being oppressive while literalness is the property of being literal.

As adjectives the difference between inhuman and loathsome

is that inhuman is of or pertaining to inhumanity and the indifferently cruel, sadistic or barbaric behavior it brings while loathsome is highly offensive; sickening, abominable.

As verbs the difference between stigmatise and sully

is that stigmatise is standard spelling of from=non-Oxford British spelling|stigmatize|lang=en while sully is to soil or stain; to dirty.

Nefarious is a related term of dark.

As adjectives the difference between nefarious and dark

is that nefarious is sinful, villainous, criminal, or wicked, especially when noteworthy or notorious for such characteristics while dark is having an absolute or (more often) relative lack of light.

As a noun dark is

a complete or (more often) partial absence of light.

Displace is a related term of disconcert.

As verbs the difference between displace and disconcert

is that displace is to move something, or someone, especially to forcibly move people from their homeland while disconcert is to upset the composure of.