disappointed Play adjectiveSad or displeased because someone or something has failed to fulfil one's hopes or expectations. SYNONYMS as sick as a parrotcast downchagrinedchokedcrestfallencut updepresseddespondentdiscontenteddiscourageddisenchanteddisgruntleddishearteneddisillusioneddismayeddispiriteddispleaseddissatisfieddistresseddowncastdownheartedfrustratedguttedlet-downmiffedsaddenedupset