# undersea

> English word · Adjective · frequency rank #34,735

## Definitions
1. Existing, relating to, or made for use beneath the sea.

## Etymology
From under- + sea.

## Easily confused with
- **underwear** (https://plainspell.com/en/vs/undersea-vs-underwear)

## Common misspellings (11)
`nudersea`, `udnersea`, `unddersea`, `underesa`, `underrsea`, `undersae`, `underssea`, `undesrea`, `undresea`, `unedrsea`, `unndersea`

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