As an adverb wickedly

is in a wicked manner.

As an adjective villainously is

in a villainous manner; in the manner of a villain; evilly.

Tough is a related term of sinewy.

As adjectives the difference between tough and sinewy

is that tough is strong and resilient; sturdy while sinewy is tough; having strong sinews.

As an interjection tough

is (slang) (used to indicate lack of sympathy).

As a noun tough

is a person who obtains things by force; a thug or bully.

As a verb tough

is to endure.

Impulsive is a related term of irresolute.

As adjectives the difference between impulsive and irresolute

is that impulsive is having the power of driving or impelling; giving an impulse; moving; impellent while irresolute is undecided or unsure how to act.

As a noun impulsive

is that which impels or gives an impulse; an impelling agent.

Elusory is a related term of ambiguous.

As adjectives the difference between elusory and ambiguous

is that elusory is that tends to elude while ambiguous is open to multiple interpretations.

As adjectives the difference between indiscriminative and unselective

is that indiscriminative is making no distinction; not discriminating while unselective is not selective; open and inclusive.

Tragic is a related term of alarming.

As adjectives the difference between tragic and alarming

is that tragic is causing great sadness or suffering while alarming is causing apprehension, fear or alarm; frightening.

As a noun tragic

is (obsolete) a writer of tragedy.

As a verb alarming is

.

Monotonous is a related term of lacklustre.

As adjectives the difference between monotonous and lacklustre

is that monotonous is having an unvarying tone or pitch while lacklustre is (british).

Proportions is a related term of substance.

As nouns the difference between proportions and substance

is that proportions is while substance is physical matter; material.

As a verb proportions

is (proportion).

As adjectives the difference between dreadful and harrowing

is that dreadful is causing dread; very bad while harrowing is causing pain or distress.

As nouns the difference between dreadful and harrowing

is that dreadful is a shocking or sensational crime while harrowing is the process of breaking up earth with a harrow.

As a verb harrowing is

present participle of lang=en.

Tenet is a related term of persuasion.

As nouns the difference between tenet and persuasion

is that tenet is an opinion, belief, or principle held to be true by someone or especially an organization while persuasion is persuasion.