[ moi-suhn ]
/ ˈmɔɪ sən /

verb (used with or without object)

to make or become moist.

Origin of moisten

First recorded in 1570–80; moist + -en1


Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for moistener

  • An old ink bottle filled with water and with some cotton stuffed in the neck serves as a moistener for the binding.

  • A moistener for postage stamps or envelopes can be easily made from a screw-top jar.

  • "I can't talk at all pretty quick if I don't git a moistener," said Fred piteously.

    Average Jones|Samuel Hopkins Adams

British Dictionary definitions for moistener


/ (ˈmɔɪsən) /


to make or become moist

Derived Forms

moistener, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012