Descending far below the surface; opening or reaching to great depth; deep. / Very deep; very serious

(obsolete) The deep; the sea; the ocean. / (obsolete) An abyss.

(obsolete) To cause to sink deeply; to cause to dive or penetrate far down. / (obsolete) To dive deeply; to penetrate.

present participle of profound

simple past tense and past participle of profound

Third-person singular simple present indicative form of profound

The quality of being profound; profundity

comparative form of profound: more profound

plural of profoundness

(manner) With depth, meaningfully. / (evaluative) Very importantly. / (degree) Deeply; very; strongly or forcefully.