# deadass

> English word · Adjective · frequency rank #74,017

## Definitions
1. Of a place: having very little activity; dead.
2. Genuine, real. (used as a negative intensifier)
3. Dead serious.

## Etymology
From dead + -ass (“used to intensify an adjective”). Originated in New York City, and popularized around the late 1990s–2000s.

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