# onfall

> English word · Noun

## Definitions
1. A falling on or upon; an attack, onset, or assault.
2. A fall of rain or snow.
3. The fall of the evening.

## Etymology
From Middle English onfal, onfalle, equivalent to on- + fall. Cognate with Dutch aanval (“an attack, assault”), German Anfall (“an attack, seizure, fit”), Swedish anfall (“an attack, offensive, assault”). Compare also Middle English onfallynge (“an onslaught, attack”).

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