14 letters · 21 points in Scrabble
noun a feeling of dissatisfaction that results when your expectations are not realized
noun an act (or failure to act) that disappoints someone
originEtymology tree English disappoint Proto-Indo-European *-mn̥ Proto-Indo-European *-mn̥tom Proto-Italic *-mentom Latin -mentum Old French -mentbor. Middle English -ment English -ment English disappointment From disappoint + -ment.
Etymology from Wiktionary, CC BY-SA 3.0