137 entries under opening topic. ×

2
entrance
2
excavation(noun, break, cut, crack)
2
foramen(noun, break, cut, crack)
2
gate
2
hatch(noun, breach, hole)
2
margin(noun, time, period, authorization)
2
nook(noun, crack, space, hole)
2
portal
2
room(noun, time, situation, job)
2
vacuity(noun, break, situation, job)
2
vent(noun, verb, clear, separate, release)
2
yawning
1
allowance(noun, authorization, permission, go-ahead)
1
blankness(situation, job, void, desolation)
1
desertedness(situation, job, void, desolation)
1
dimple(noun, break, cut, crack)
1
dip(noun, break, cut, crack)
1
embouchure
1
empty space(expression, idiom, space, void)
1
expanse(noun, time, area, remove, spread)
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APASmart Define. (2016). gap thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/gap/thesaurus/synonyms
ChicagoSmart Define. 2016. "gap thesaurus" https://smartdefine.org/gap/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, gap thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/gap/thesaurus/synonyms>.
MLASmart Define. "gap thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/gap/thesaurus/synonyms>