10 letters · 19 points in Scrabble
adjective greatly exceeding bounds of reason or moderation
originFrom Middle English exorbitant, through Old French from Late Latin exorbitāns, present active participle of exorbitō (“to go out of the track”), from ex (“out”) + orbita (“wheel-track”); see orbit. Compare French exorbitant.
Etymology from Wiktionary, CC BY-SA 3.0