Cinder/ˈsɪndər/ Definition 1 of 3Pro Tip 1/3Visual Imagery Use 'cinder' to evoke strong visual images of something reduced to charred debris. The campfire left a pile of warm cinders, glowing in the dark. Pro Tip 2/3Complete Burnt 'Cinder' suggests that the burning process is complete and only residue remains. By morning, the logs had turned into black cinders. Pro Tip 3/3Figurative Use Metaphorically, 'cinder' can represent something that has lost its energy or usefulness. His passion for the project is now just a cinder.