65 entries under penetrating topic. ×

69
deep(noun, adjective, good, feeling, strong)
26
intense(adjective, strong, great, complete, severe)
18
extreme(adjective, strong, hard, great, sharp)
13
great(adjective, strong, hard, intense, powerful)
12
acute(adjective, strong, great, keen, sharp)
11
keen(adjective, strong, great, sharp, smart)
8
strong(adjective, strong, hard, great, sharp)
7
sharp(adjective, strong, keen, smart, bright)
6
detailed(adjective, complete, full, intimate, secret)
6
powerful(adjective, clear, strong, intense, passionate)
5
elemental(adjective, intimate, secret, private)
5
fervent(adjective, strong, warm, intense, passionate)
5
fierce(adjective, strong, great, sharp, harsh)
5
firsthand(adjective, intimate, secret, private)
5
guarded(adjective, intimate, secret, private)
5
privy(adjective, intimate, secret, private)
4
ardent(adjective, strong, warm, intense, passionate)
4
earnest(adjective, strong, warm, intense, powerful)
4
experienced(adjective, intimate, intellectual, secret, private)
4
immediate(adjective, intimate, secret, private)
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APASmart Define. (2016). profound thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/profound/thesaurus/synonyms
ChicagoSmart Define. 2016. "profound thesaurus" https://smartdefine.org/profound/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, profound thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/profound/thesaurus/synonyms>.
MLASmart Define. "profound thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/profound/thesaurus/synonyms>