profundity

noun

1. (countable, uncountable)The state of being profound; magnitude, gravity, or intensity.

   “The situation's profundity escaped most observers.”

2. (countable, uncountable)Deep intellect or insight.

   “Near-synonyms: brilliance, genius”

   “Unfortunately, Andrew's colossal ego means people miss his profundity.”

   “Also, he had legs which seemed to begin almost at his chest—or, rather, at his chin! Yet, for all his air of peacock-like conceit, his clothes sagged a little, and his face wore a sheepish air which might have passed for profundity.”

3. (countable, uncommon, uncountable)A great depth; a deep place.

   “Near-synonym: abyss”

   “I delved the abyssal profundities of Neptune's realm.”

4. (archaic, countable, uncountable)Depth; the state of possessing great downwards extent.