56 entries under noun topic. ×

3
estuary(water, course, stream, passageway)
3
line
3
perimeter
3
rapids(water, course, stream, passageway)
3
river-bed(water, course, stream, passageway)
3
spillway(water, course, stream, passageway)
3
spout(water, course, stream, passageway)
3
streambed(water, course, stream, passageway)
3
verge
3
water(course, stream, passageway, flume)
3
watercourse(water, course, stream, passageway)
3
waterfall(water, course, stream, passageway)
2
barrier
2
bounds
2
marches
2
margin
2
pale
2
purpose(aim, meaning, objective, intention)
2
stream(channel, streamlet)
2
threshold
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APASmart Define. (2015). bourn thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/bourn/thesaurus/synonyms
ChicagoSmart Define. 2015. "bourn thesaurus" https://smartdefine.org/bourn/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, bourn thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/bourn/thesaurus/synonyms>.
MLASmart Define. "bourn thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/bourn/thesaurus/synonyms>