unethical

adjective

un·​eth·​i·​cal ˌən-ˈe-thi-kəl How to pronounce unethical (audio)
Synonyms of unethicalnext
: not conforming to a high moral standard : morally wrong : not ethical
illegal and unethical business practices
immoral and unethical behavior
unethically adverb

Examples of unethical in a Sentence

unethical treatment of prisoners of war that was a clear violation of international law an unethical attorney, he had no qualms about getting off clients who he knew were guilty
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Proxy services are often used for illicit or unethical purposes such as performing DDoS attacks, running botnet command-and-control servers, operating phishing operations, and scraping website content. Dan Goodin, ArsTechnica, 29 May 2026 Their actions were reckless, unethical, and ultimately fatal. Letters To The Editor, Hartford Courant, 28 May 2026 But having begun collaborating with Gran Tierra in 2019, the foundation has now been accused of complicity in sportswashing — using football to redirect attention away from unethical activity. Jacob Whitehead, New York Times, 27 May 2026 As a primary concept in marketing activities, it is regarded by some authorities as unethical. Ezgi Eyüboğlu, Encyclopedia Britannica, 27 May 2026 See All Example Sentences for unethical

Word History

First Known Use

1871, in the meaning defined above

Time Traveler
The first known use of unethical was in 1871

Browse Nearby Words

Cite this Entry

“Unethical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unethical. Accessed 3 Jun. 2026.

More from Merriam-Webster on unethical

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster