213 entries under noun topic. ×

7
well(deep, hole, hollow, gap)
6
bayou(sound, arm, pool, sea)
6
break(split, division, disagreement, space)
6
estuary
6
harbor(place, sound, arm, sea)
6
rent(deep, hole, hollow, gap)
6
separation(break, split, division, deep)
6
space
6
void(deep, opening, space, hole)
5
cave(deep, dip, hole, hollow)
5
crevice(ditch, gap, gorge, valley)
5
disconnection
5
expanse(deep, hole, hollow, gap)
5
fiord
5
firth(sound, arm, sea, mouth)
5
gorge
5
gulch(deep, hole, hollow, interval)
5
notch(interval, gap)
5
shaft(deep, well, hole, hollow)
5
strait(interval, gulf lake)
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APASmart Define. (2015). gulf thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/gulf/thesaurus/synonyms
ChicagoSmart Define. 2015. "gulf thesaurus" https://smartdefine.org/gulf/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, gulf thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/gulf/thesaurus/synonyms>.
MLASmart Define. "gulf thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/gulf/thesaurus/synonyms>