# side-splittingly

> English word · Adverb

## Definitions
1. in a side-splitting way, extremely funnily

## Etymology
From side-splitting + -ly.

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