sinister

Inappropriate is a related term of sinister.

As adjectives the difference between inappropriate and sinister

is that inappropriate is not appropriate; not suitable for the situation, time, and/or place while sinister is inauspicious]], ominous, unlucky, illegitimate (as in [[w:bar sinister|bar sinister ).

Atrocious is a related term of sinister.

As adjectives the difference between atrocious and sinister

is that atrocious is frightful, evil, cruel or monstrous while sinister is inauspicious]], ominous, unlucky, illegitimate (as in [[w:bar sinister|bar sinister ).

Horrific is a related term of sinister.

As adjectives the difference between horrific and sinister

is that horrific is horrifying, causing horror; horrible while sinister is inauspicious]], ominous, unlucky, illegitimate (as in [[w:bar sinister|bar sinister ).

Wrong is a related term of sinister.

In obsolete|lang=en terms the difference between wrong and sinister

is that wrong is (obsolete) twisted; wry while sinister is (obsolete) wrong, as springing from indirection or obliquity; perverse; dishonest.

As adjectives the difference between wrong and sinister

is that wrong is incorrect or untrue while sinister is inauspicious]], ominous, unlucky, illegitimate (as in [[w:bar sinister|bar sinister ).

As an adverb wrong

is (informal) in a way that isn't right; done incorrectly; wrongly.

As a noun wrong

is something that is immoral or not good.

As a verb wrong

is to treat unjustly; to injure or harm.

Unsuitable is a related term of sinister.

As adjectives the difference between unsuitable and sinister

is that unsuitable is not suitable; unfit; inappropriate while sinister is inauspicious]], ominous, unlucky, illegitimate (as in [[w:bar sinister|bar sinister ).

Defective is a related term of sinister.

As adjectives the difference between defective and sinister

is that defective is while sinister is inauspicious]], ominous, unlucky, illegitimate (as in [[w:bar sinister|bar sinister ).

Irascible is a related term of sinister.

As adjectives the difference between irascible and sinister

is that irascible is easily provoked to outbursts of anger; irritable while sinister is inauspicious]], ominous, unlucky, illegitimate (as in [[w:bar sinister|bar sinister ).

As adjectives the difference between sinister and scary

is that sinister is inauspicious, ominous, unlucky, illegitimate (as in bar sinister) while scary is causing or able to cause fright.

As a noun scary is

barren land having only a thin coat of grass.

Nasty is a related term of sinister.

As adjectives the difference between nasty and sinister

is that nasty is while sinister is inauspicious]], ominous, unlucky, illegitimate (as in [[w:bar sinister|bar sinister ).

As a noun nasty

is (lb) something nasty.

Unfavorable is a related term of sinister.

As adjectives the difference between unfavorable and sinister

is that unfavorable is disadvantageous, adverse, unsuitable, inconducive; serving to hinder or oppose while sinister is inauspicious]], ominous, unlucky, illegitimate (as in [[w:bar sinister|bar sinister ).