IPA: /prəˈfaʊndər/
KK: /prəˈfaʊndər/
Having a greater depth of meaning or significance than something else; more intense or extreme in quality.
Her insights were even profounder than I had expected.
Comparative: profounder
Superlative: profoundest
This word originates from the combination of 'profound' (from Latin 'profundus', meaning deep) and the suffix '-er' (meaning a person who). A 'profounder' refers to a person who is deep in thought or understanding.
Think of someone who is 'deep' ('profound') in their thoughts — that's what a 'profounder' means.