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Definition of nebulous

nebulous

/ˈnɛbjələs/
neb · u · lous
Adverb:nebulously
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nebulous Lexical Profile

nebulous Game Scores & Validity

• adjective

1

Vague, indistinct, or ill-defined (especially of a concept, idea, or plan).

Example

"The committee struggled to turn the director's nebulous vision into a concrete action plan."

2

In the form of a cloud or haze; misty, cloudy, or relating to an astronomical nebula.

Example

"Through the telescope, the faint stars appeared surrounded by a glowing, nebulous halo of gas and dust."

Synonyms
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Antonyms
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• Nearby Words

nebula
nebulize
nebulizer
nebulous
nebulously
necessarily
necessary

Word Origin & Etymology

Borrowed in the late 14th century from Latin 'nebulosus' (cloudy, misty, foggy), derived from 'nebula' (mist, vapor, cloud).

Cite this Entry

Wordmom. (2026). Definition of Nebulous. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/nebulous
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