Clipping ofinappropriate +-o. But perhaps by confusion with a supposed opposite ofapropos with prefixin-; see etymology 2 below.
inappropo (comparativemoreinappropo,superlativemostinappropo)
- (informal)Inappropriate.
2013 May, Arnoldo Offermann, “An Ounce of Perception: Rather Than Just Lamenting Modern Music, Here Are Steps to Make It Work”, inMobile Beat, number149,→ISSN, page51:Just in case the song isn't edited to your tastes, hit some crazy effect to help cover up theinappropo stuff.
2019 October 15, Rebecca Alter, “Tell Us About It, Stud: HBO Max OrdersGrease: Rydell High Musical Series”, inVulture[1]:So it seems like this Ur-text of American horny teendom is in good hands. In fact, months away from its 2020 launch, HBO Max is already establishing itself as a go-to online home base for delightfullyinapropro teen-series spinoffs.
inappropo (comparativemoreinappropo,superlativemostinappropo)
- (nonstandard) Notapropos.
1874, Charles W. Jay, “My First Hunt in My New Home”, inMy New Home in Northern Michigan: And Other Tales, Trenton, NJ: W. S. and E. W. Sharp, page103:“But what has all this wordy, windy,inappropo introductory to do with the subject matter suggested by your heading?”
1956,Journal of the American Society of Naval Engineers, Inc., volume68, page613:I am sorry that Mr. Clarke has relied on undated memos, unofficial letters and not more on official papers, or action, so his reference to my papers become somewhatinappropro.
