44 entries under opening topic. ×

1
entrance(noun, hole, aperture, perforation)
1
exit(noun, hole, aperture, perforation)
1
fissure(noun, hole, aperture, perforation)
1
inlet(noun, hole, aperture, perforation)
1
intake(noun, hole, aperture, perforation)
1
keyhole(noun, hole, aperture, perforation)
1
knothole(noun, hole, aperture, perforation)
1
loophole(noun, hole, aperture, perforation)
1
mouth(noun, hole, aperture, perforation)
1
orifice(noun, hole, aperture, perforation)
1
outlet(noun, hole, aperture, perforation)
1
peephole(noun, hole, aperture, perforation)
1
perforation(noun, hole, aperture, orifice)
1
pinhole(noun, hole, aperture, perforation)
1
pinprick(noun, hole, aperture, perforation)
1
pore(noun, hole, aperture, perforation)
1
pothole(noun, hole, aperture, perforation)
1
rent(noun, hole, aperture, perforation)
1
rift(noun, hole, aperture, perforation)
1
slot(noun, hole, aperture, perforation)
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APASmart Define. (2016). boring thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/boring/thesaurus/related
ChicagoSmart Define. 2016. "boring thesaurus" https://smartdefine.org/boring/thesaurus/related (accessed September 23, 2026).
HarvardSmart Define 2016, boring thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/boring/thesaurus/related>.
MLASmart Define. "boring thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/boring/thesaurus/related>