English

Definition of deepen verb from the Oxford Advanced Learner's Dictionary

     

    deepen

     verb
    verb
    BrE BrE//ˈdiːpən//
     
    ; NAmE NAmE//ˈdiːpən//
     
    Verb Forms present simple I / you / we / they deepen
    BrE BrE//ˈdiːpən//
     
    ; NAmE NAmE//ˈdiːpən//
     
    he / she / it deepens
    BrE BrE//ˈdiːpənz//
     
    ; NAmE NAmE//ˈdiːpənz//
     
    past simple deepened
    BrE BrE//ˈdiːpənd//
     
    ; NAmE NAmE//ˈdiːpənd//
     
    past participle deepened
    BrE BrE//ˈdiːpənd//
     
    ; NAmE NAmE//ˈdiːpənd//
     
    -ing form deepening
    BrE BrE//ˈdiːpənɪŋ//
     
    ; NAmE NAmE//ˈdiːpənɪŋ//
     
     
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  1. 1[intransitive, transitive] deepen (something) (into something) if an emotion or a feeling deepens, or if something deepens it, it becomes stronger Their friendship soon deepened into love.
  2. 2[intransitive, transitive] deepen (something) to become worse; to make something worse Warships were sent in as the crisis deepened. a deepening economic recession
  3. 3[intransitive, transitive] to become deeper; to make something deeper The water deepened gradually. His frown deepened. deepen something There were plans to deepen a stretch of the river.
  4. 4[transitive] deepen something to improve your knowledge or understanding of something an opportunity for students to deepen their understanding of different cultures
  5. 5[intransitive, transitive] deepen (something) if colour or light deepens or if something deepens it, it becomes darker deepening shadows
  6. 6[intransitive, transitive] deepen (something) (to something) if a sound or voice deepens or if you deepen it, it becomes lower or you make it lower His voice deepened to a growl.
  7. 7[intransitive] if your breathing deepens, you breathe more deeply than usual
  8. Word Familydeep adjective adverbdeeply adverbdeepen verbdepth noun
See the Oxford Advanced American Dictionary entry: deepen