Meaning

noun a person who is not very bright

adjective lacking or marked by lack of intellectual acuity

adjective in a state of mental numbness especially as resulting from shock

originEtymology tree Proto-Indo-European *(s)tew- Proto-Indo-European *(s)tewp- Proto-Indo-European *-éh₁ti Proto-Indo-European *-yeti Proto-Indo-European *-éh₁yeti Proto-Indo-European *(s)tup-éh₁-ye-ti Latin stup(eō) Proto-Indo-European *dʰeh₁-der. Proto-Italic *-iðos Latin -idus Latin stupidusder. Middle French stupideder. English stupid From Middle French stupide, from Latin stupidus (“struck…

Etymology from Wiktionary, CC BY-SA 3.0