Synonyms of unethical

unethical

adjective

ˌən-ˈe-thi-kəl 

1

as in immoral

not conforming to a high moral standard; morally unacceptable

unethical treatment of prisoners of war that was a clear violation of international law

Synonyms & Similar Words

• immoral
• unlawful
• evil
• sinful
• vicious
• bad
• vile
• dark
• wicked
• illegal
• wrong
• obscene
• nefarious
• corrupt
• rotten
• cruel
• unauthorized
• improper
• villainous
• iniquitous
• infamous
• offensive
• unsavory
• ugly
• unrighteous
• dirty
• prohibited
• cursed
• nasty
• dishonest
• disreputable
• contemptible
• condemned
• despicable
• reprehensible
• ignoble
• forbidden
• sordid
• objectionable
• naughty
• ill
• unhealthy
• atrocious
• pernicious
• unscrupulous
• incorrect
• mean
• depraved
• sick
• censurable
• perverted
• infernal
• blameworthy
• snide
• unwholesome
• ungodly
• unprincipled
• degenerate
• noxious
• base
• dissolute
• debased
• dishonorable
• fallen
• unseemly
• discouraged
• debauched
• evil-minded
• unclean
• outlawed
• miserable
• libertine
• indecent
• pestilential
• loose
• proscribed
• barred
• scrofulous
• unbecoming
• low
• blamable
• vulgar
• lousy
• indecorous
• low-minded
• disallowed
• wretched
• execrable
• banned
• errant
• reprobate
• erring
• cussed
• interdicted
• defiling

Antonyms & Near Antonyms

• ethical
• moral
• honorable
• good
• right
• legitimate
• virtuous
• honest
• legal
• high
• righteous
• noble
• decent
• sublime
• permissible
• scrupulous
• reputable
• just
• permitted
• upright
• principled
• lofty
• elevated
• authorized
• licensed
• endorsed
• approved
• sanctioned
• correct
• proper
• promoted
• allowed
• high-minded
• supported
• decent
• clean
• exemplary
• encouraged
• commendable
• seemly
• law-abiding
• pure
• perfect
• decorous
• innocent
• creditable
• white
• blameless
• wholesome
• unobjectionable
• guiltless
• worthy
• incorruptible
• irreproachable
• abetted
• inoffensive
• immaculate
• respected
• chaste
• venerable
• spotless
• uncorrupted
• esteemed
• unerring
• squeaky-clean
• lily-white
• unfallen
• upstanding

2

as in ruthless

not guided by or showing a concern for what is right

an unethical attorney, he had no qualms about getting off clients who he knew were guilty

Synonyms & Similar Words

• immoral
• ruthless
• corrupt
• unscrupulous
• unprincipled
• unconscionable
• Machiavellian
• cutthroat
• dishonest
• merciless
• crooked
• deceitful
• pitiless
• calculating
• remorseless
• depraved
• opportunistic
• licentious
• degenerate
• degraded
• profligate
• debased
• debauched
• decadent
• libertine
• demoralized
• knavish
• scheming
• dissipated
• dog-eat-dog
• cheapjack
• jackleg
• sharp

Antonyms & Near Antonyms

• ethical
• moral
• good
• honorable
• scrupulous
• noble
• virtuous
• conscientious
• principled
• righteous
• just

Example Sentences

Recent Examples of unethical

It's regarded as wildly unethical and cruel, so the rationale for Netflix turning it into a TV show, where 30 people enter a real prison for two weeks, is hard to justify. — K. Thor Jensen, PC Magazine, 16 Oct. 2026

This creates a perverse financial incentive for unethical operators to provide substandard care – or even interfere with recovery. — Ilan Shrira, The Conversation, 13 Oct. 2026

Documentarian Erin Lee Carr’s latest project is a deep dive into The Swan, the 2004 reality show widely considered one of the most unethical and sadistic in TV history. — Erin Lassner, HollywoodReporter, 29 Sep. 2026

Other former officials have spoken publicly about the unethical things they were instructed to do. — Eyal Press, New Yorker, 28 Sep. 2026