Synonyms|1.6kAntonyms|334|Broader|45Narrower|116Related|1k

107 entries under noun topic. ×

7
intake
3
breach
3
chasm
3
cleft
3
hydrothermal vent(crack, water, rift, fissure)
3
mouth
3
vent
2
aperture
2
crack
2
flaw
2
hole
2
let's start
2
outlet
2
window
1
Ranvier's nodes
1
aortic orifice
1
arse
1
arsehole
1
blastopore
1
break
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APASmart Define. (2016). opening thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/opening/thesaurus/narrower
ChicagoSmart Define. 2016. "opening thesaurus" https://smartdefine.org/opening/thesaurus/narrower (accessed September 26, 2026).
HarvardSmart Define 2016, opening thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/opening/thesaurus/narrower>.
MLASmart Define. "opening thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/opening/thesaurus/narrower>