The meaning of SLIMY is of, relating to, or resembling slime : viscous; also : covered with or yielding slime. How to use slimy in a sentence.

Affected & insincere (Definition of slimy from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

1. a. Consisting of or resembling slime; viscous: slimy ooze. b. Covered with or exuding slime: a slimy snail. 2. a. Morally repulsive, as in being dishonest or corrupt.

If you describe someone as slimy, you dislike them because they are friendly and pleasant in an insincere way.

Definition of slimy adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Feb 27, 2026 · Let’s settle something important right off the bat: the correct spelling is slimy. This is the form you’ll find in dictionaries and it’s widely accepted in all varieties of English.

Anything that's slimy is like slime, so it's a good word for describing gross substances. If your oatmeal is slimy, it's less than appetizing, and if a pond is slimy, you probably won't want to swim in it.