/ Dictionary / Index B brush-on: Meaning and Definition of Find definitions for: brush-on Pronunciation: (brush'on", -ôn"), [key] — adj. fit to be applied with a brush: a brush-on paint remover. —n. a substance that can be applied with a brush: The varnish dries more quickly than most brush-ons. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: brush-on (Thesaurus) brush-off brushpopper Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language