| Main Entry: | |
| Part of Speech: | noun |
| Definition: | cavity |
| Synonyms: | abyss, bowl, caldera, depression, hole, hollow, mouth, opening, pit |
| Main Entry: | chasm |
| Part of Speech: | noun |
| Definition: | gap, abyss |
| Synonyms: | abysm, alienation, arroyo, blank, breach, cavity, cleavage, cleft, clough, clove, crater, crevasse, fissure, flume, gorge, gulch, gulf, hiatus, hole, hollow, omission, opening, oversight, preterition, ravine, rent, rift, schism, skip, split, void, yawn |
| Antonyms: | closure, junction, juncture |
| Main Entry: | dent |
| Part of Speech: | noun |
| Definition: | depression, scrape, chip |
| Synonyms: | cavity, con-cavity, crater, crenel, cut, dimple, dint, dip, embrasure, furrow, hollow, impression, incision, indentation, nick, notch, pit, scallop, score, scratch, sink, trough |
| Antonyms: | bulge |
| Main Entry: | depression |
| Part of Speech: | noun |
| Definition: | concavity, cavity |
| Synonyms: | basin, bowl, crater, dent, dimple, dip, excavation, hole, hollow, impression, indentation, pit, pocket, sag, scoop, sink, sinkage, sinkhole, vacuity, vacuum, valley, void |
| Antonyms: | bulge, convexity, protuberance |
| Main Entry: | hole |
| Part of Speech: | noun |
| Definition: | opening in a solid object |
| Synonyms: | aperture, breach, break, burrow, cave, cavern, cavity, chamber, chasm, chink, cistern, cleft, covert, crack, cranny, crater, cut, den, dent, depression, dimple, dip, excavation, eyelet, fissure, foramen, fracture, gap, gash, gorge, hollow, hovel, keyhole, lacuna, lair, leak, mouth, nest, niche, nick, notch, orifice, outlet, passage, peephole, perforation, pit, pocket, pockmark, puncture, rent, retreat, scoop, shaft, shelter, space, split, tear, tunnel, vacuity, vent, void, window |
| Notes: | a hole is an opening or cavity into or through something, while whole means complete, not divided |
| Antonyms: | closure, solid |
| Main Entry: | hollow |
| Part of Speech: | noun |
| Definition: | empty or dented area |
| Synonyms: | basin, bottom, bowl, cave, cavern, cavity, chamber, channel, cleft, concavity, crater, cup, dale, den, depression, dimple, dip, dish, excavation, groove, gulf, hole, indentation, notch, pit, pocket, sag, scoop, sinkage, sinkhole, socket, trough, vacuity, valley, void |
| Antonyms: | solid |
| Main Entry: | pit |
| Part of Speech: | noun |
| Definition: | hole, cavity |
| Synonyms: | abyss, chasm, crater, dent, depression, dimple, excavation, grave, gulf, hell, hollow, indentation, mine, perforation, pockmark, pothole, puncture, shaft, tomb, trench, well |
| Antonyms: | mountain |
| Main Entry: | pockmark |
| Part of Speech: | noun |
| Definition: | pitlike scar |
| Synonyms: | blemish, cavity, crater, dent, dimple, pimple, welt, zit |
| Main Entry: | pothole |
| Part of Speech: | noun |
| Definition: | chuckhole |
| Synonyms: | cavity, crater, depression, dip, fracture, gap, hole, pit, pocket, rut, split |