137 entries under opening topic. ×

1
eyelet(noun, break, cut, crack)
1
headroom(time, spot, period, authorization)
1
hollowness(void, hollow, desolation, emptiness)
1
keyhole(noun, break, cut, crack)
1
niche(noun, break, cut, crack)
1
nothingness(void, hollow, emptiness, vacuum)
1
pocket(noun, break, cut, crack)
1
preterition(noun, slip, breach, lapse)
1
pretermission(noun, slip, breach, lapse)
1
shaft(hole, hollow)
1
tabula rasa(expression, void, hollow)
1
window(noun, break, time, cut, crack)
0
abstraction(situation, job, void)
0
assart(authorization, permission, go-ahead)
0
avenue
0
byplace(noun, crack, crevice, nook)
0
defoliated area(expression, authorization, permission, go-ahead)
0
drain
0
duct
0
escape(noun, dodge, outlet, loophole)
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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>