| Main Entry: | gully |
| Part of Speech: | noun |
| Definition: | ravine, ditch |
Synonyms: |
channel, chase, chasm, crevasse, culvert, gutter, notch, trench, watercourse |
| Main Entry: | barrier |
| Part of Speech: | noun |
| Definition: | obstruction |
Synonyms: |
bar, barricade, blank wall, blockade, bound, boundary, confines, curtain, ditch, enclosure, fence, fortification, gully, hurdle, impediment, limit, moat, obstacle, pale, palisade, railing, rampart, roadblock, stop, trench, wall |
Antonyms: |
opening |
| Main Entry: | canyon |
| Part of Speech: | noun |
| Definition: | gulf in mountain area |
Synonyms: |
coulee, glen, gorge, gulch, gully, ravine, valley |
| 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: |
mountain |
| Main Entry: | channel |
| Part of Speech: | noun |
| Definition: | pathway, usually containing water |
Synonyms: |
approach, aqueduct, arroyo, artery, avenue, canal, canyon, carrier, chamber, chase, conduit, course, dig, ditch, duct, fluting, furrow, gouge, groove, gully, gutter, main, means, medium, pass, passage, pipe, raceway, route, runway, sewer, slit, sound, strait, tideway, trough, tube, tunnel, vein, watercourse, way |
| Main Entry: | conduit |
| Part of Speech: | noun |
| Definition: | passage |
Synonyms: |
aqueduct, cable, canal, channel, conductor, course, culvert, duct, flow, flume, gully, gutter, lead-in, lead-out, main, pipe, pipeline, race, sewer, spout, trough, tube, watercourse |
| 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: | gutter |
| Part of Speech: | noun |
| Definition: | ditch |
Synonyms: |
channel, conduit, culvert, dike, drain, duct, eaves, fosse, funnel, gully, moat, pipe, runnel, sewer, sluice, spout, sulcation, trench, trough, tube, watercourse |
| Main Entry: | moat |
| Part of Speech: | noun |
| Definition: | ditch |
Synonyms: |
canal, channel, fosse, gully, trench |
| Main Entry: | ravine |
| 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 |
Antonyms: |
plain |
| Main Entry: | trench |
| Part of Speech: | noun |
| Definition: | ditch, channel dug in earth |
Synonyms: |
arroyo, canal, cut, depression, dike, drain, drill, dugout, earthwork, entrenchment, excavation, fosse, foxhole, furrow, gorge, gulch, gully, gutter, hollow, main, moat, pit, rut, sink, trough, tube, waterway |
