Search Dictionary
Definition of moistener
moistener
/ˈmɔɪ.sən.ər/
mois · ten · er
Plural:moisteners
moistener Lexical Profile
CEFR
C1
Grade
8
Tier
2
Usage
Rare
Syllables
3
moistener Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A device, substance, or agent used to make something slightly wet or damp, such as a sponge roller for sealing envelopes or stamps.
Example
"The office clerk used a small sponge moistener to seal dozens of envelopes quickly."
Synonyms
View all synonyms for moistener Antonyms
View all antonyms for moistenerCite this Entry
Wordmom. (2026). Definition of Moistener. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/moistener