45 entries under noun topic. ×

1
entrance(opening, hole, aperture, perforation)
1
exit(opening, hole, aperture, perforation)
1
fissure(opening, hole, aperture, perforation)
1
inlet(opening, hole, aperture, perforation)
1
intake(opening, hole, aperture, perforation)
1
keyhole(opening, hole, aperture, perforation)
1
knothole(opening, hole, aperture, perforation)
1
loophole(opening, hole, aperture, perforation)
1
mouth(opening, hole, aperture, perforation)
1
opening(hole, aperture, perforation, orifice)
1
orifice(opening, hole, aperture, perforation)
1
outlet(opening, hole, aperture, perforation)
1
peephole(opening, hole, aperture, perforation)
1
perforation(opening, hole, aperture, orifice)
1
pinhole(opening, hole, aperture, perforation)
1
pinprick(opening, hole, aperture, perforation)
1
pore(opening, hole, aperture, perforation)
1
pothole(opening, hole, aperture, perforation)
1
rent(opening, hole, aperture, perforation)
1
rift(opening, hole, aperture, perforation)
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APASmart Define. (2016). boring thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/boring/thesaurus/related
ChicagoSmart Define. 2016. "boring thesaurus" https://smartdefine.org/boring/thesaurus/related (accessed September 27, 2026).
HarvardSmart Define 2016, boring thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/boring/thesaurus/related>.
MLASmart Define. "boring thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/boring/thesaurus/related>