Synonyms of disappointed

Verb

1. disappoint, let down, thwart, queer, spoil, scotch, foil, cross, frustrate, baffle, bilk

usage: fail to meet the hopes or expectations of; "Her boyfriend let her down when he did not propose marriage"

Adjective

1. defeated, disappointed, discomfited, foiled, frustrated, thwarted, unsuccessful (vs. successful)

usage: disappointingly unsuccessful; "disappointed expectations and thwarted ambitions"; "their foiled attempt to capture Calais"; "many frustrated poets end as pipe-smoking teachers"; "his best efforts were thwarted"

Definition and meaning of disappointed (Dictionary)