fiendish

As an adjective fiendish

is sinister; evil; conniving; in the manner of a fiend.

As a noun null is

zero, nil; the cardinal number before einn.

As a letter s

is the letter s with a.

As an adjective fiendish is

sinister; evil; conniving; in the manner of a fiend.

As an adjective fiendish

is sinister; evil; conniving; in the manner of a fiend.

As a proper noun pestilence is

the personification of pestilence, often depicted riding a white horse.

Fiendish is a related term of dark.

As adjectives the difference between fiendish and dark

is that fiendish is sinister; evil; conniving; in the manner of a fiend 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.

As an adjective fiendish

is sinister; evil; conniving; in the manner of a fiend.

As a noun terms is

.

As adjectives the difference between strict and fiendish

is that strict is strained; drawn close; tight while fiendish is sinister; evil; conniving; in the manner of a fiend.

As an adjective fiendish

is sinister; evil; conniving; in the manner of a fiend.

As an adverb devilishly is

in a devilish manner.

Grumpy is a related term of fiendish.

As adjectives the difference between grumpy and fiendish

is that grumpy is unhappy, dissatisfied and/or irritable while fiendish is sinister; evil; conniving; in the manner of a fiend.

Gloomy is a related term of fiendish.

As adjectives the difference between gloomy and fiendish

is that gloomy is imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded while fiendish is sinister; evil; conniving; in the manner of a fiend.

Coldhearted is a related term of fiendish.

As adjectives the difference between coldhearted and fiendish

is that coldhearted is while fiendish is sinister; evil; conniving; in the manner of a fiend.