65 entries under penetrating topic. ×

4
inborn(adjective, intimate, secret, private)
4
inbred(adjective, intimate, secret, private)
4
indwelling(adjective, intimate, secret, private)
4
ingrained(adjective, complete, full, intimate, secret)
4
special(adjective, intimate, secret, private)
4
trusted(adjective, intimate, secret, private)
4
uptight(adjective, intimate, secret, private)
4
viscerous(adjective, intimate, secret, private)
3
bitter(adjective, strong, intense, powerful)
3
fervid(adjective, strong, intense, passionate, powerful)
3
harsh(adjective, strong, intense, heavy, powerful)
3
impassioned(adjective, strong, intense, passionate, powerful)
3
piercing(adjective, strong, keen, sharp, smart)
2
agonizing(adjective, strong, intense, powerful)
2
biting(adjective, strong, intense, powerful)
2
burning(adjective, strong, great, sharp, harsh)
2
close(adjective, strong, intense, powerful)
2
consuming(adjective, strong, intense, powerful)
2
cutting(adjective, strong, keen, sharp, smart)
2
eager(adjective, strong, intense, powerful, deep)
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APASmart Define. (2016). profound thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/profound/thesaurus/synonyms
ChicagoSmart Define. 2016. "profound thesaurus" https://smartdefine.org/profound/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, profound thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/profound/thesaurus/synonyms>.
MLASmart Define. "profound thesaurus" 26 February 2016. Web. 29 September 2026. <https://smartdefine.org/profound/thesaurus/synonyms>