inappropo

adjective2

1. •
   (informal) Inappropriate.

   • Just in case the song isn't edited to your tastes, hit some crazy effect to help cover up the inappropo stuff. — 2013
2. •
   (nonstandard) Not apropos.

   • “But what has all this wordy, windy, inappropo introductory to do with the subject matter suggested by your heading?” — 1874