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Definition of moondust
moondust
/ˈmuːnˌdʌst/
moondust Lexical Profile
CEFR
B2
Grade
6
Tier
2
Usage
Rare
Syllables
2
moondust Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
Fine, powdery rock and mineral particles covering the surface of the Moon, formed over billions of years by micrometeorite impacts.
Example
"The astronauts' spacesuits were heavily coated in abrasive gray moondust after their lunar walk."
Synonyms
View all synonyms for moondustCite this Entry
Wordmom. (2026). Definition of Moondust. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/moondust