The state of being profound or abstruse. / A great depth. / Deep intellect or insight.

plural of profundity

(aquatic ecology) Relating to the deep zone of an inland body of water where very little sunlight penetrates; located between the limnetic and the benthic zones.

(aquatic ecology) Short for profundal zone.

(rare) To make profound; to make a concept unnecessarily complicated.

Third-person singular simple present indicative form of profundicate

simple past tense and past participle of profundicate.

present participle of profundicate.

plural of profundal