# headly

> English word · Adjective

## Definitions
1. Chief; principal; capital; (of sins) deadly.
2. Heady; violent; impetuous.

## Etymology
From Middle English hedly, havedlich, from Old English hēafodlīċ (“at the top, principal, capital, deadly”), equivalent to head + -ly. Cognate with West Frisian haadlik, Dutch hoofdelijk, Middle Low German hö̂vetlī̂k, Middle High German houbetlich (archaic German hauptlich). Piecewise doublet of chefly and chiefly.

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