# fiendy

> English word · Adjective

## Definitions
1. Like a fiend; fiendish

## Etymology
From Middle English feendy, fendi, equivalent to fiend + -y.

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