Define deep. deep synonyms, deep pronunciation, deep translation, English dictionary definition of deep. adj. deep·er , deep·est 1. a. Extending far downward below a surface: a deep hole in the river ice. b. Extending far inward from an outer surface: a deep...
Definition of deep adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
deep definition: profound or intense in nature. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "deep water", "deep down", "deep end".