We found 2 dictionaries that define the word one false note:

General (2 matching dictionaries)

1. One False Note, One False Note: Wikipedia, the Free Encyclopedia

Definitions from Wikipedia (One False Note) ▸ noun:  the second book in The 39 Clues series. ▸ Words similar to one false note ▸ Usage examples for one false note ▸ Idioms related to one false note ▸ Wikipedia articles (New!) ▸ Words that often appear near one false note ▸ Rhymes of one false note ▸ Invented words related to one false note