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deep - definition and synonyms


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adverb deep pronunciation in British English /diːp/
Word Forms
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  1. 1
    a long way down from the top or the surface
    men who work deep under the ground
    deep below the ocean’s surface
  2. 2
    a long way into something
    They continued deep into the forest.
  3. 3
    if people or things are two deep, three deep etc, there are two, three etc rows of them behind or on top of one another
    People were standing three deep at the side of the road to watch the procession.


a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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