# nebulous

> English word · Adjective · IPA /ˈnɛbjʊləs/ · frequency rank #39,449

## Definitions
1. In the form of a cloud or haze; hazy.
2. Vague or ill-defined.
3. Relating to a nebula or nebulae.

## Etymology
From Middle English, from Middle French nebuleus, from Latin nebulōsus (“full of mist, foggy, cloudy”), from nebula (“mist, vapour, cloud”), from Proto-Indo-European *nébʰos (“cloud, vapor, fog, moist, sky”).
Cognates
*Ancient Greek νέφος (néphos, “cloud”)
*German Nebel
**Old High German nebul (“cloud, fog”)
*Old English nifol, neowol (“dark, gloomy, obscure, precipitous, prone”)
by surface analysis, nebula + -ous. More at neveling, nuel.

## Common misspellings (11)
`enbulous`, `nbeulous`, `nebbulous`, `nebluous`, `nebullous`, `nebulosu`, `nebulouss`, `nebuluos`, `nebuolus`, `neublous`, `nnebulous`

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