# underground

> English word · Adjective · IPA /ˌʌn.dəˈɡɹaʊnd/ · frequency rank #4,200

## Definitions
1. Below the ground; below the surface of the Earth.
2. Hidden, furtive, secretive.
3. Of or relating to an art forms (such as music) or subculture that is outside the mainstream, especially one that is unofficial and hidden from the authorities.

## Etymology
From Middle English undergrounde (adverb), equivalent to under + ground or under- + ground. Compare Dutch ondergrond, ondergronds, German Untergrund, Danish undergrunds.

## Common misspellings (17)
`nuderground`, `udnerground`, `undderground`, `undegrround`, `undergground`, `undergorund`, `undergronud`, `undergroudn`, `undergroundd`, `undergrounnd`, `undergrround`, `undergruond`, `underrgound`, `underrground`, `undreground`, `unedrground`, `unnderground`

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