# category five

> English word · Noun

## Definitions
1. Very serious, extreme.

## Etymology
Primarily from the Saffir–Simpson scale, in which category five represents the most powerful type of hurricane.

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