nefarious

As adjectives the difference between nefarious and maleficient

is that nefarious is sinful, villainous, criminal, or wicked, especially when noteworthy or notorious for such characteristics while maleficient is doing evil, harm, or mischief.

Atrocious is a synonym of nefarious.

As adjectives the difference between nefarious and atrocious

is that nefarious is sinful, villainous, criminal, or wicked, especially when noteworthy or notorious for such characteristics while atrocious is frightful, evil, cruel or monstrous.

Abhorrent is a related term of nefarious.

As adjectives the difference between abhorrent and nefarious

is that abhorrent is (archaic) inconsistent with; far removed from; strongly opposed to, as, abhorrent thoughts while nefarious is sinful, villainous, criminal, or wicked, especially when noteworthy or notorious for such characteristics.

Nefarious is a related term of scoundrelly.

As adjectives the difference between nefarious and scoundrelly

is that nefarious is sinful, villainous, criminal, or wicked, especially when noteworthy or notorious for such characteristics while scoundrelly is like or befitting a scoundrel.

Nefarious is a related term of savage.

As an adjective nefarious

is sinful, villainous, criminal, or wicked, especially when noteworthy or notorious for such characteristics.

As a proper noun savage is

.

Nefarious is a related term of cowardly.

As adjectives the difference between nefarious and cowardly

is that nefarious is sinful, villainous, criminal, or wicked, especially when noteworthy or notorious for such characteristics while cowardly is showing cowardice; lacking in courage; basely or weakly fearful.

As an adverb cowardly is

in the manner of a coward.

As adjectives the difference between underhand and nefarious

is that underhand is secret; clandestine while nefarious is sinful, villainous, criminal, or wicked, especially when noteworthy or notorious for such characteristics.

As an adverb underhand

is with an underhand movement.

As adjectives the difference between detestable and nefarious

is that detestable is stimulating disgust or detestation; offensive; shocking while nefarious is sinful, villainous, criminal, or wicked, especially when noteworthy or notorious for such characteristics.

Nefarious is a related term of sneaky.

As adjectives the difference between nefarious and sneaky

is that nefarious is sinful, villainous, criminal, or wicked, especially when noteworthy or notorious for such characteristics while sneaky is difficult to catch due to constantly outwitting the adversaries.