English Reference

Word

slimy

US/ˈsɫaɪmi/

UK/slˈaɪmi/

Definitions

01covered in slime

B2 · Upper Intermediate

adj. covered in a wet, slippery, and often unpleasant substance.

adj. covered with or consisting of slime; having a viscous, slippery texture that is typically perceived as repulsive.

“The rocks by the river were slimy and difficult to walk on.”

“After the heavy rain, the garden path became covered in a slimy layer of algae, making it a significant slipping hazard for visitors.”

Antonyms

02dishonest or fake

B2 · Upper Intermediate Informal

adj. acting friendly in a way that feels fake or dishonest, usually to get something.

adj. characterised by a false, oily, or calculating friendliness; exhibiting a lack of integrity through smarmy or underhanded behavior.

“I didn't trust that slimy salesman who tried to pressure me into buying the car.”

“The politician's slimy attempt to deflect the scandal by praising his opponents only served to further alienate the skeptical electorate.”

Synonyms

Antonyms

03disgusting or morally low

C1 · Advanced Slang

adj. very unpleasant, dirty, or morally wrong.

adj. morally offensive or physically disgusting; used to describe environments or actions that provoke strong revulsion.

“He was involved in some slimy business deals that ruined his reputation.”

“The investigation uncovered a slimy network of corruption that had been operating within the city council for over a decade.”

Antonyms

Etymology

From Middle English slymy, slimi, either derived from the Old English noun slīm or an unattested *slīmiġ, replacing Old English slipiġ (“slippy, slimy”). Equivalent to slime + -y. Cognate with Dutch slijmig, slijmerig (“slimy”), German schleimig (“slimy; smarmy”), Swedish slemmig (“slimy”).

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

Word family

ADJECTIVE

slimy(B2)

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

QR code

englishreference.com/q/slimy

English Reference