fausse note

• IPA^(key): /fos nɔt/

fausse note f (plural fausses notes)

1. (music) false note, wrong note, bum note (incorrect note which is sung or played in a musical performance)
2. (figuratively) fault, flaw, slip up, mistake

   Synonyms: couac, anicroche

   sans une seule fausse note ― without a hitch

• sonner faux