# nonproliferation

> English word · Noun · frequency rank #54,360

## Definitions
1. Opposition to the spread of something, especially nuclear weapons.

## Etymology
From non- + proliferation.

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