in deep

I i

Definitions of in deep words

adjective in deep extending far down from the top or surface: a deep well; a deep valley. 1
adjective in deep extending far in or back from the front or from an edge, surface, opening, etc., considered as the front: a deep shelf. 1
adjective in deep extending far in width; broad: deep lace; a deep border. 1
adjective in deep ranging far from the earth and sun: a deep space probe. 1
adjective in deep having a specified dimension in depth: a tank 8 feet deep. 1
adjective in deep covered or immersed to a specified depth (often used in combination): standing knee-deep in water. 1

before 900

One of the 4% oldest English words

before 900; Middle English dep, Old English dēop; akin to Gothic diups, Old Norse djupr, Old High German tiof

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

A common word. It’s meaning is known to most children of preschool age. About 100% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

This diagram is provided by Google Ngram Viewer