| Main Entry: | |
| Part of Speech: | noun |
| Definition: | dirt |
| Synonyms: | fuliginosity, grime, grit, residue, sediment, smoke, smudge, smut |
| Main Entry: | ash(es) |
| Part of Speech: | noun |
| Definition: | remains of burning |
| Synonyms: | charcoal, cinders, dust, embers, powder, relics, remains, ruins, slag, soot |
| Main Entry: | cinder |
| Part of Speech: | noun |
| Definition: | hot ash |
| Synonyms: | clinker, ember, hot coal, soot |
| Main Entry: | dust |
| Part of Speech: | noun |
| Definition: | tiny particles in the air |
| Synonyms: | ashes, cinders, dirt, dust bunnies, earth, filth, flakes, fragments, gilings, granules, grime, grit, ground, lint, loess, powder, refuse, sand, smut, soil, soot |
| Main Entry: | grime |
| Part of Speech: | noun |
| Definition: | dirt |
| Synonyms: | crud, dust, film, filth, gook, gunk, muck, smudge, smut, soil, soot, tarnish |
| Antonyms: | cleanliness, purity |
| Main Entry: | smog |
| Part of Speech: | noun |
| Definition: | air pollution |
| Synonyms: | acid rain, carbon dioxide, fog, haze, smoke, soot |
| Main Entry: | smoke |
| Part of Speech: | noun |
| Definition: | fume; cigarette |
| Synonyms: | butt*, cig, exhaust, fog, gas, mist, pollution, smog, soot, vapor |
| Main Entry: | soil |
| Part of Speech: | noun |
| Definition: | earth, dirt |
| Synonyms: | clay, dry land, dust, grime, ground, land, loam, soot, terra firma |
| Main Entry: | carbon |
| Part of Speech: | noun |
| Definition: | element |
| Synonyms: | charcoal, coal, coke, copy, graphite, lead, replica, soot |