134 entries under noun topic. ×

4
scratch(depression, hollow, scrape, indentation)
4
till
4
tunnel
3
public treasury(expression, idiom)
3
sewer(course, drain, means, flow)
3
sluice(drain, race, ditch, stream)
3
adit
3
burrow(mine, pit, quarry)
3
dado
3
dell(gorge, vale)
3
drain(race, ditch, channel, pit)
3
feeder
3
glen(gorge, vale)
3
indentation(depression, dip, hollow, bottom)
3
passage(course, means, race, flow)
3
score(depression, hollow, scrape, indentation)
3
shaft(mine, pit, quarry, tube)
3
spout(drain, flow, channel, passage)
3
watercourse(depression, drain, flow, channel)
2
pipe(course, drain, means, route)
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APASmart Define. (2015). trough thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/trough/thesaurus/synonyms
ChicagoSmart Define. 2015. "trough thesaurus" https://smartdefine.org/trough/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, trough thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/trough/thesaurus/synonyms>.
MLASmart Define. "trough thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/trough/thesaurus/synonyms>