Thesaurus.com
Dictionary.com
Showing results for unethical. Search instead for unethi.
Definitions

unethical

[uhn-eth-i-kuhl] / ʌnˈɛθ ɪ kəl /
ADJECTIVE
dishonest, immoral
Synonyms
STRONGEST
corrupt illegal improper underhanded unfair unprofessional unscrupulous wrong
WEAK
cheating crooked dirty dirty-dealing dishonorable disreputable double-crossing fake fishy flimflam fly-by-night mercenary shady sharp slick slippery sneaky two-faced two-timing underhand unprincipled
Antonyms
STRONGEST
appropriate correct decent ethical good honest moral principled right suitable uncorrupt
WEAK
upright

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.

Police officers working to shut down an illegal rave at a beauty spot used "unethical" force, one partygoer has told the BBC.

From BBC • Apr. 7, 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

The senator made the case for his record and censured Mr. Paxton for unethical behavior.

From The Wall Street Journal • Feb. 27, 2026

It is both illegal and unethical to change your mother’s personal details, including her bank account address, without her knowledge and consent.

From MarketWatch • Feb. 13, 2026

She felt as if she were doing something improper, unethical: expecting to get food in exchange for nothing.

From "Half of a Yellow Sun" by Chimamanda Ngozi Adichie

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.