9 letters · 11 points in Scrabble
adjective showing absence of intellectual inquisitiveness or natural curiosity
originFrom Latin incūriōsus (“careless”), from in- (“un-”) and cūriōsus (“careful”). Attested since the 1560s, originally meaning ‘heedless and negligent.’ The sense of ‘uninquisitive’ dates from the 1610s, and the sense of ‘unworthy of attention’ from 1747.
Etymology from Wiktionary, CC BY-SA 3.0