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Synonyms

unethical

American  
[uhn-eth-i-kuhl] / ʌnˈɛθ ɪ kəl /

adjective

  1. lacking moral principles; unwilling to adhere to proper rules of conduct.

  2. not in accord with the standards of a profession.

    She treated patients outside the area of her training, and the appropriate medical organization punished her unethical behavior.


unethical British  
/ ʌnˈɛθɪkəl /

adjective

  1. not ethical; improper

    companies involved in unethical practices

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • unethicality noun
  • unethically adverb
  • unethicalness noun

Etymology

Origin of unethical

un- 1 + ethical

Compare meaning

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It would be just as unethical for a therapist to use treatment to pressure someone into being LGBTQ+ as it is to use treatment to coerce someone out of being such an identity.

From Slate • Mar. 11, 2026

We thought flopping and foul-baiting made for unethical hoops, but those are but basketball misdemeanors; Adebayo’s big night was felonious.

From Los Angeles Times • Mar. 11, 2026

That’s because recruiting patients with a rare and debilitating disease for a placebo trial can be difficult and unethical.

From The Wall Street Journal • Mar. 7, 2026

Some campaigners have said it is unethical and could harm children.

From BBC • Feb. 16, 2026

“Just because something is illegal or unethical, that doesn’t mean that someone hasn’t done it.”

From "Boy 2.0" by Tracey Baptiste