9 letters · 11 points in Scrabble
adjective impressive because of unnecessary largeness or grandeur; used to show disapproval
adjective affectedly genteel
originFrom French grandiose, from Italian grandioso, from Latin grandis (“great, grand”) (English grand). Possibly from grand + -ose, though to be debated. Doublet of grandioso.
Etymology from Wiktionary, CC BY-SA 3.0