English Reference

Word

murky

US/ˈmɝki/

UK/mˈɜːki/

Definition

adj. dark and dirty, making it hard to see through. It can describe water with mud in it or a situation that is not clear or honest.

adj. characterised by darkness, thickness, or dirt that obscures visibility. Often used figuratively to describe suspicious or morally ambiguous situations where the full truth is hidden.

Examples

“The lake water was too murky to see the bottom.”

“The company's murky financial history made investors nervous about the new merger.”

“The investigation stalled as detectives navigated the murky waters of international espionage, where every lead seemed to dissolve into a web of conflicting interests and half-truths.”

Examples

simple

“The lake water was too murky to see the bottom.”

contextual

“The company's murky financial history made investors nervous about the new merger.”

complex

“The investigation stalled as detectives navigated the murky waters of international espionage, where every lead seemed to dissolve into a web of conflicting interests and half-truths.”

Usage

Commonly modifies nouns related to liquids (water, depths) or abstract concepts (past, details, world).

Real-World Examples

“In small groups living in murky water, fish reached the food more quickly when they stayed close together and swam in the same direction.”
Phys.org 1 Sept 2026

Etymology

From Middle English mirky. Related to Old Norse myrkr, Russian мрак (mrak) and its Slavic cognates. By surface analysis, murk + -y.

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
Occasional
Level
B2 · Upper Intermediate
Updated

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