# deepen

> English word · Verb · IPA /ˈdiːpən/ · frequency rank #22,639

## Definitions
1. To make deep or deeper
2. To make darker or more intense; to darken
3. To make more poignant or affecting; to increase in degree
4. To make lower in tone
5. To make more thorough or extensive.
6. To make more intimate.
7. To make more sound or heavy.
8. To become deeper
9. To become darker or more intense
10. To become lower in tone
11. To become more thorough or extensive.
12. To become more intimate.
13. To become more sound or heavy.

## Etymology
From deep + -en.

## Easily confused with
- **deeply** (https://plainspell.com/en/vs/deepen-vs-deeply)
- **deeper** (https://plainspell.com/en/vs/deepen-vs-deeper)
- **depend** (https://plainspell.com/en/vs/deepen-vs-depend)
- **deepest** (https://plainspell.com/en/vs/deepen-vs-deepest)
- **deep** (https://plainspell.com/en/vs/deep-vs-deepen)
- **deen** (https://plainspell.com/en/vs/deen-vs-deepen)
- **deemed** (https://plainspell.com/en/vs/deemed-vs-deepen)
- **Deepak** (https://plainspell.com/en/vs/deepak-vs-deepen)
- **dampen** (https://plainspell.com/en/vs/dampen-vs-deepen)

## Common misspellings (8)
`ddeepen`, `deeepn`, `deepenn`, `deepne`, `deeppen`, `depeen`, `depen`, `edepen`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/deepen