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deepen - definition and synonyms

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verb     deepen pronunciation in British English
Word Forms
present tense
present participledeepening
past tensedeepened
past participledeepened
  1. 1
    [intransitive] if a bad situation deepens, it becomes worse
  2. 2
    [intransitive/transitive] if a feeling or relationship deepens, or if something deepens it, it becomes stronger

    His anxiety deepened when he heard the news.

    Both sides are now deepening their commitment to the peace process.

  3. 3
    [intransitive/transitive] if someone’s knowledge or understanding deepens, or if something deepens it, they know or understand more

    I’m trying to deepen my understanding of local history.

  4. 4
    [intransitive/transitive] if a mystery deepens, or if something deepens it, it becomes more complicated and difficult to understand
  5. 5
    [intransitive/transitive] if water deepens, or if someone deepens it, it becomes deeper

    plans to deepen channels in the Port of Southampton

  6. 6
    [intransitive] if a colour deepens, it becomes darker
  7. 7
    [intransitive/transitive] if a sound deepens, or if someone deepens it, it becomes lower

    The man suddenly deepened his voice.

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