5
pipe(noun, conduit)
5
ravine(noun, groove, furrow)
5
sewer(noun, drain, conduit)
4
aqueduct(noun, conduit)
4
arroyo(noun, ditch)
4
bunker
4
culvert(noun, conduit)
4
dig
4
entrenchment(noun, defense, ditch)
4
gash(noun, score, scratch, wound, slash)
4
gulch(noun, ditch, ravine)
4
incision(noun, mark, line, scratch, wound)
4
passage(noun, scratch, wound, slash, conduit)
4
quarry(noun, verb, supply, reserve, dig)
4
scratch(noun, line, score, wound, slash)
4
sink(noun, ditch)
4
slot(noun, scratch, wound, slash, groove)
4
stockade(noun, cover, position, guard, shield)
4
trespass(verb, business, interfere, invade, intrude)
4
verge(verb, move, approach, near, rimming)
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APASmart Define. (2015). trench thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/trench/thesaurus/synonyms
ChicagoSmart Define. 2015. "trench thesaurus" https://smartdefine.org/trench/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, trench thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/trench/thesaurus/synonyms>.
MLASmart Define. "trench thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/trench/thesaurus/synonyms>