| break(verb, dereliction of duty) | |
| burrow(noun, dig, mine, pit, quarry) | |
| cleft(scratch, wound, slash, laceration, incision) | |
| concealment | |
| corrugation(noun, line, hollow, ditch, channel) | |
| course(noun, conduit) | |
| cover(noun, position, guard, shield, resistance) | |
| crater(noun, well, hole, hollow) | |
| dado(noun, groove) | |
| dale | |
| drill(noun, ditch) | |
| fissure(noun, scratch, wound, slash, laceration) | |
| fortification(noun, cover, position, limit, guard) | |
| intrude(verb, business, interfere, invade, intervene) | |
| kennel | |
| oceanic abyss(noun, expression, idiom) | |
| score(noun, line, scratch, channel, groove) | |
| shelter(noun, cover, position, guard, shield) | |
| watercourse(noun, course, drain, channel, rack) | |
| waterway(noun, course, drain, ditch, channel) |
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| APA | Smart Define. (2015). trench thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/trench/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "trench thesaurus" https://smartdefine.org/trench/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, trench thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/trench/thesaurus/synonyms>. |
| MLA | Smart Define. "trench thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/trench/thesaurus/synonyms> |