Added 9 October 2026 hebetude /ˈhɛb.ə.tjuːd/ noun Categories: Mind & IdeasObscure Words Latin root: hebetūdō Wiktionary noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about hebetude at Wordnik → Where our words come from → Mental lethargy or dullness. Origin From Late Latin hebetūdō. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: stupiditylethargylassitudedullnessinertnesstorporwearinesslistlessnessdejectionlethargusinertion Back to today's word