# thunderation

> English word · Interjection

## Definitions
1. An exclamation of surprise, agitation or petulance.

## Etymology
An Americanism from around 1830 to 1840, from thunder + -ation.

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