Answer: profounder

AnswerCrossword Clue
profounder(of a subject or thought) Demanding deep study or thought
profounder(of a person or statement) Having or showing great knowledge or insight
profounderPROFOUND, intellectually deep
profounder(of a disease or disability) Very severe; deep-seated
profounder(of a state, quality, or emotion) Very great or intense
profounderAt, from, or extending to a great depth; very deep