| Main Entry: | |
| Part of Speech: | noun |
| Definition: | gap in earth's surface |
| Synonyms: | abyss, arroyo, break, canyon, chasm, clove, coulee, crevasse, crevice, cut, defile, ditch, fissure, flume, gorge, gulch, gulf, gully, notch, pass, valley, wash |
| Notes: | a canyon is a narrow chasm with steep cliff walls formed by running water; a gorge is a deep narrow passage with steep rocky sides formed by running water; a ravine is a deep narrow steep-sided valley formed by running water |
| Antonyms: | plain |
| 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: | cleft |
| Part of Speech: | noun |
| Definition: | break, gap |
| Synonyms: | aperture, arroyo, breach, canyon, chasm, chink, cleavage, clough, clove, crack, cranny, crevasse, crevice, fissure, fracture, gorge, gulch, opening, ravine, rent, rift, rima, rimation, rime, schism, slit |
| Antonyms: | closing, closure, solid |
| Main Entry: | gap |
| Part of Speech: | noun |
| Definition: | break, breach |
| Synonyms: | aperture, arroyo, blank, caesura, canyon, chasm, cleft, clove, crack, cranny, crevice, cut, defile, difference, disagreement, discontinuity, disparity, divergence, divide, division, fracture, gorge, gulch, gully, hiatus, hole, hollow, inconsistency, interlude, intermission, interruption, interspace, interstice, interval, lacuna, lull, notch, opening, orifice, pause, ravine, recess, rent, respite, rest, rift, rupture, separation, slit, slot, space, vacuity, void |
| Antonyms: | closure |
| Main Entry: | gorge |
| Part of Speech: | noun |
| Definition: | valley |
| Synonyms: | abyss, arroyo, canyon, chasm, cleft, clough, clove, crevasse, fissure, flume, gap, glen, gulch, pass, ravine |
| Notes: | a canyon is a narrow chasm with steep cliff walls formed by running water; a gorge is a deep narrow passage with steep rocky sides formed by running water; a ravine is a deep narrow steep-sided valley formed by running water |
| Main Entry: | gulf |
| Part of Speech: | noun |
| Definition: | deep, gaping hole |
| Synonyms: | abyss, breach, cave, cavity, chasm, cleft, crevasse, depth, depths, distance, expanse, gap, gulch, hiatus, hollow, opening, pit, ravine, rent, rift, separation, shaft, split, void, well, whirlpool |
| Main Entry: | pass |
| Part of Speech: | noun |
| Definition: | opening through solid |
| Synonyms: | canyon, cut, gap, gorge, passage, passageway, path, ravine |
| Antonyms: | closing, closure |
| Main Entry: | dale |
| Part of Speech: | noun |
| Definition: | valley |
| Synonyms: | dell, dene, dingle, glen, ravine, spout, trough, vale |
| Main Entry: | arroyo |
| Part of Speech: | noun |
| Definition: | watercourse |
| Synonyms: | brook, channel, creek, gorge, gully, ravine, stream |