# 4B

> English word · Proper noun · frequency rank #33,921

## Definitions
1. A radical feminist movement originating in South Korea whose tenets are: no sex with men, no giving birth, no dating men, and no marriage with men.

## Etymology
From four Korean words starting with Korean 비(非) (bi, “un-, not”), thus literally translated as "four nos".

## Easily confused with
- **4D** (https://plainspell.com/en/vs/4b-vs-4d)
- **4X** (https://plainspell.com/en/vs/4b-vs-4x)
- **4th** (https://plainspell.com/en/vs/4b-vs-4th)
- **4x4** (https://plainspell.com/en/vs/4b-vs-4x4)
- **4** (https://plainspell.com/en/vs/4-vs-4b)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/4b