vicious

As a noun addiction

is (medicine) a state that is characterized by compulsive drug use or compulsive engagement in rewarding behavior, despite negative consequencesangres dh, bettinardi-angres k (october 2008) "the disease of addiction: origins, treatment, and recovery" dis mon 54 (10): 696–721 doi:101016/jdisamonth200807002 pmid 18790142malenka rc, nestler ej, hyman se (2009) "chapter 15: reinforcement and addictive disorders" in sydor a, brown ry molecular neuropharmacology: a foundation for clinical neuroscience (2nd ed) new york: mcgraw-hill medical pp 364–365, 375 isbn 9780071481274 "the defining feature of addiction is compulsive, out-of-control drug use, despite negative consequences compulsive eating, shopping, gambling, and sex–so-called “natural addictions”– indeed, addiction to both drugs and behavioral rewards may arise from similar dysregulation of the mesolimbic dopamine system".

As an adjective vicious is

pertaining to vice; characterised by immorality or depravity.

As adjectives the difference between vicious and vigorous

is that vicious is pertaining to vice; characterised by immorality or depravity while vigorous is physically strong and active.

As an adjective vicious

is pertaining to vice; characterised by immorality or depravity.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As adjectives the difference between vicious and snarky

is that vicious is pertaining to vice; characterised by immorality or depravity while snarky is (informal) snide and sarcastic; usually out of irritation, often humorously.

As adjectives the difference between feral and vicious

is that feral is feral; wild while vicious is pertaining to vice; characterised by immorality or depravity.

As adjectives the difference between tyrant and vicious

is that tyrant is (uncommon) tyrannical, tyrannous; like, characteristic of, or in the manner of a tyrant while vicious is pertaining to vice; characterised by immorality or depravity.

As a noun tyrant

is (historic|ancient greece) a usurper; one who gains power and rules extralegally, distinguished from kings elevated by election or succession.

As a verb tyrant

is (obsolete) to act like a tyrant; to be tyrannical.

As adjectives the difference between vicious and false

is that vicious is pertaining to vice; characterised by immorality or depravity while false is (label) one of two states of a boolean variable; logic.

As an adjective vicious

is pertaining to vice; characterised by immorality or depravity.

As an adverb maliciously is

in a malicious manner, or for malicious reasons.

As adjectives the difference between damned and vicious

is that damned is god-forsaken while vicious is pertaining to vice; characterised by immorality or depravity.

As an adverb damned

is (vulgar) very.

As a verb damned

is (damn).

As adjectives the difference between vicious and idle

is that vicious is pertaining to vice; characterised by immorality or depravity while idle is (lb) empty, vacant.

As a verb idle is

to spend in idleness; to waste; to consume.