134 entries under noun topic. ×
| cut(depression, hollow, ditch, scrape) | |
| dike(depression, drain, ditch, channel) | |
| excavation(drain, dip, ditch, bottom) | |
| valley(dip, hollow, bottom, gorge) | |
| conduit(line, course, drain, means) | |
| tub | |
| basin(gorge, vale) | |
| crib(depression, rack, gutter, manger) | |
| gully(depression, ditch, channel, pit) | |
| mine(channel, pit, trench, quarry) | |
| aqueduct(course, means, race, flow) | |
| dent(depression, hollow, scrape, indentation) | |
| duct(line, depression, course, drain) | |
| flute | |
| fosse | |
| ravine(groove, furrow) | |
| slump(decline, failure, depression, recession) | |
| dale(dip, bottom, gorge, valley) | |
| gouge | |
| quarry(mine, pit) |
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| APA | Smart Define. (2015). trough thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/trough/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "trough thesaurus" https://smartdefine.org/trough/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, trough thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/trough/thesaurus/synonyms>. |
| MLA | Smart Define. "trough thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/trough/thesaurus/synonyms> |