"profundity" in the noun sense
1. reconditeness, abstruseness, abstrusity, profoundness, profundity
wisdom that is recondite and abstruse and profound
"the anthropologist was impressed by the reconditeness of the native proverbs"
2. profundity, profoundness
intellectual depth penetrating knowledge keen insight etc
"the depth of my feeling"
"the profoundness of the silence"
3. astuteness, profundity, profoundness, depth, deepness
the intellectual ability to penetrate deeply into ideas
4. deepness, profundity, profoundness
the quality of being physically deep
"the profundity of the mine was almost a mile"
Source: WordNet® (An amazing lexical database of English)
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