1. 深奥；深刻
Profundity is great intellectual depth and understanding.
2. （情感、经历、变化等的）深厚，深刻，深切
If you refer to the profundity of a feeling, experience, or change, you mean that it is deep, powerful, or serious.
3. 深刻的话语；深奥的话语
A profundity is a remark that shows great intellectual depth and understanding.
1. intellectual depth
penetrating knowledge
keen insight
etc
e.g. the depth of my feeling
the profoundness of the silence
Synonym: profoundness
2. the quality of being physically deep
e.g. the profundity of the mine was almost a mile
Synonym: deepnessprofoundness
3. the intellectual ability to penetrate deeply into ideas
Synonym: astutenessprofoundnessdepthdeepness
4. wisdom that is recondite and abstruse and profound
e.g. the anthropologist was impressed by the reconditeness of the native proverbs