5
experienced(adjective, sharp, cunning, shrewd, intimate)
5
extensive(adjective, open, great, spread, full)
5
far-reaching(adjective, open, great, tough, severe)
5
fat(hard, broad, bulky)
5
fierce(adjective, clear, strong, great, tough)
5
heavily
5
highbrow(adjective, obscure, smart, bright, rational)
5
inherent(adjective, intimate, secret, private, personal)
5
intensive(adjective, strong, intense, powerful, penetrating)
5
into(adjective, activity, intense, busy, absorbed)
5
long(adjective, time, great, high, space)
5
lost(adjective, activity, happy, intense, distracted)
5
meaningful(adjective, tough, severe, sad, important)
5
passionate(adjective, strong, sad, intense, enthusiastic)
5
pit(noun, hole, hollow, gap, pit)
5
privy(adjective, intimate, secret, private, penetrating)
5
profoundly
5
ruminative(adjective, reasonable, rational, thoughtful, sober)
5
solid(verb, adjective, set, sound, heavy)
5
soothing(adjective, dull, weak, smooth, soft)
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APASmart Define. (2016). deep thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/deep/thesaurus/synonyms
ChicagoSmart Define. 2016. "deep thesaurus" https://smartdefine.org/deep/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, deep thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/deep/thesaurus/synonyms>.
MLASmart Define. "deep thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/deep/thesaurus/synonyms>