deepen.
To make deep or deeper
Meaning & usage
To make deep or deeper
They deepened the well by 200 feet.
To make darker or more intense; to darken
The event deepened the prevailing gloom.
To make more poignant or affecting; to increase in degree
News of her death deepened my sorrow.
To make lower in tone
The tuner deepened the tone of the organ.
To make more thorough or extensive.
The class deepened my understanding of the subject.
To make more intimate.
The shared experiences deepened our relationship.
To make more sound or heavy.
The hypnotist then proceeded to deepen his trance.
To become deeper
The water deepens as you go toward the middle of the channel.
To become darker or more intense
The crisis deepened in the following weeks.
To become lower in tone
His voice deepened with age.
To become more thorough or extensive.
His skill in deciphering the texts deepened with practice.
To become more intimate.
The conversation deepened and they began to truly share.
To become more sound or heavy.
The new bed allowed my sleep to deepen.
Where this word comes from
Etymology tree Proto-Indo-European *dʰewbʰ-der. Proto-Germanic *deupaz Proto-West Germanic *deup Old English dēop Middle English dep English deep English -en English deepen From deep + -en.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.