- any admixture to a substance for promoting or increasing its softness, smoothness, or plasticity.
- water softener.
Origin of softener
Examples from the Web for softener
Historical Examples of softener
But time is a sure healer of wounds; a softener of resentment.Johnny Ludlow, Fourth Series
Mrs. Henry Wood
You will note that this softener also contains a percentage of grime which lodges in the pores.The Trap
"We have known each other since we were children," Honor put in as a softener.Banked Fires
E. W. (Ethel Winifred) Savi
But distance is a great mellower of colors and softener of fears.The Bravo
J. Fenimore Cooper
Ray six, "the softener," was a band of frequencies extending from violet far up into the ultra-violet.Skylark Three
Edward Elmer Smith
c.1600, agent noun from soften.