profound Copy link • profound: altus: p. abilities, a. indoles, Liv. 21, 2, med. Sometimes, subtīlis (nice, exact, accurate); or, abstrūsus (recondite, deep); may serve: a p. knowledge of mathematics, mathematicorum subtilissima cognitio (peritia): a p. discussion, disputatio abstrusissima, cf. Cic. Ac. 2, 10, init. See also, abstruse.