English Reference

Word

unethical

Phoneticsun·eth·i·cal, stress on the second syllable

US/əˈnɛθɪkəɫ/

UK/ʌnˈɛθɪkəl/

Definitions

01morally wrong

B2 · Upper Intermediate

adj. wrong or dishonest according to general moral principles.

adj. morally reprehensible or lacking in moral principles; not conforming to accepted standards of right and wrong.

“It is unethical to lie to your customers just to make a sale.”

“Many people believe that testing cosmetic products on animals is fundamentally unethical, regardless of the potential benefits to the industry.”

02professional misconduct

B2 · Upper Intermediate Academic · Formal

adj. breaking the official rules or standards of a specific job, like a doctor or lawyer.

adj. violating the formal code of conduct or established standards of a particular profession or organization.

“The lawyer was punished for unethical behavior after sharing private information about a client.”

“The medical board launched an investigation into the surgeon's unethical practices after several patients reported being pressured into unnecessary procedures.”

Real-World Examples

“Unethical behavior inside organizations is often less sudden than companies assume.”
Phys.org 8 Oct 2026
“But at the moment, AI is often used in ways researchers find annoying and unethical.”
Ars Technica 10 Aug 2026

Etymology

From un- + ethical.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference