Synonyms of let-down in English:

let-down


See definition of let-down

noun

1‘it's a big let-down when bonfire parties fizzle out’

SYNONYMS

disappointment, disillusionment, anticlimax, comedown, non-success, non-event, fiasco, setback, frustration, blow

informal washout, damp squib

ANTONYMS

triumph, climax