# nightly

> English word · Adjective · IPA /ˈnaɪtli/ · frequency rank #15,454

## Definitions
1. Happening or appearing in the night; night-time; nocturnal.
2. Performing, occurring, or taking place every night.
3. Used in the night.

## Etymology
From Middle English nyȝtly, nihtlich, nihtlic, from Old English nihtlīċ, nihtelīċ (“nocturnal, nightly, of the night, at night”), equivalent to night + -ly. Cognate with Scots nichtlie (“nightly”), West Frisian nachtlik (“nightly, nocturnal”), Dutch nachtelijk (“nightly, nocturnal”), German nächtlich (“nocturnal, nightly”), Danish natlig (“nightly”), Swedish nattlig (“nightly, nocturnal”).

## Easily confused with
- **nights** (https://plainspell.com/en/vs/nightly-vs-nights)
- **night** (https://plainspell.com/en/vs/night-vs-nightly)
- **nighter** (https://plainspell.com/en/vs/nighter-vs-nightly)
- **Knightley** (https://plainspell.com/en/vs/knightley-vs-nightly)

## Common misspellings (12)
`inghtly`, `ngihtly`, `nigghtly`, `nighhtly`, `nighlty`, `nightlly`, `nightlyy`, `nighttly`, `nightyl`, `nigthly`, `nihgtly`, `nnightly`

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