coloring material co·lo·ring·material uncommon noun 1. any material used for its color “she used a different color for the trim” Synonymscoloring materialcolouring materialcolorcolour Related words Word family colour Broader terms material Narrower terms paintindicatormordantdyetincturehematochromepigmentstain WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.