2 entries under crack topic. ×

5
hydrothermal vent(noun, water, opening, rift)
3
abyss(noun, nature, environment, gap)
10 years ago|736 views|share |citing 
APASmart Define. (2016). deep thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/deep/thesaurus/narrower
ChicagoSmart Define. 2016. "deep thesaurus" https://smartdefine.org/deep/thesaurus/narrower (accessed September 21, 2026).
HarvardSmart Define 2016, deep thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/deep/thesaurus/narrower>.
MLASmart Define. "deep thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/deep/thesaurus/narrower>