37
ditch(noun, verb, cut, remove, line)
22
gutter(noun, line, drain, hollow, ditch)
21
trough(noun, depression, ditch, channel, groove)
21
channel(noun, verb, cut, remove, line)
18
dike(noun, cover, position, line, drain)
15
canal(noun, line, drain, ditch, channel)
15
furrow(noun, verb, work, remove, mark)
11
moat(noun, limit, drain, defense, ditch)
10
encroach(verb, business, invade, undueness, transcursion)
10
groove(noun, verb, remove, mark, line)
9
cut(noun, verb, line, score, drain)
9
gully(noun, limit, drain, ditch, channel)
9
fosse(noun, defense, ditch, furrow)
9
pit(noun, verb, remove, supply, drain)
8
deep
8
drain(noun, ditch, channel, off, gutter)
8
hole(noun, score, well, scratch, hollow)
8
rut(noun, verb, remove, line, drain)
7
excavation(noun, supply, score, drain, reserve)
7
duct(noun, conduit)
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APASmart Define. (2015). trench thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/trench/thesaurus/synonyms
ChicagoSmart Define. 2015. "trench thesaurus" https://smartdefine.org/trench/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, trench thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/trench/thesaurus/synonyms>.
MLASmart Define. "trench thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/trench/thesaurus/synonyms>