4
nirvana(noun, heaven)
4
noon(noun, top, conclusion, peak, height)
4
rim(noun, limit, edge, boundary)
4
shangri-la(noun, heaven)
4
terminus(noun, limit, edge, boundary)
4
topmost(adjective, summit)
4
utmost(noun, end, cover, top, limit)
3
brink(noun, limit, edge, boundary)
3
act of love(noun, sex, peak, sexual intercourse, sexual action)
3
acumination(noun, sharp, point)
3
advent(noun, sex, peak, sexual intercourse, sexual action)
3
afterworld(noun, heaven)
3
altitude(noun, height)
3
aphrodisia(noun, sex, peak, sexual intercourse, sexual action)
3
approach(noun, sex, peak, sexual intercourse, sexual action)
3
approaching(noun, sex, peak, sexual intercourse, sexual action)
3
azure(noun, heaven)
3
back
3
bliss(noun, heaven)
3
border(noun, limit, edge, boundary)
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APASmart Define. (2015). apex thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/apex/thesaurus/synonyms
ChicagoSmart Define. 2015. "apex thesaurus" https://smartdefine.org/apex/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, apex thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/apex/thesaurus/synonyms>.
MLASmart Define. "apex thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/apex/thesaurus/synonyms>