# brainless

> English word · Adjective · frequency rank #39,221

## Definitions
1. Having no brain.
2. Unintelligent, with little common sense.
3. Overly repetitive and unchallenging, not requiring any careful attention or providing any significant stimulation.

## Etymology
From Middle English braynles; equivalent to brain + -less.

## Common misspellings (12)
`barinless`, `bbrainless`, `brailness`, `brainelss`, `brainles`, `brainlless`, `brainlses`, `brainnless`, `braniless`, `brianless`, `brrainless`, `rbainless`

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