improprietas
Could not find inproprietas in Logeion dictionaries.
inproprietas Noun: feminine nominative singular of improprietas
imprō̆prĭĕtas (inpr-), ātis, f. [improprius],
- impropriety, improper use (post-Aug.): verbi, Gell. 1, 22, 21.
improprietās, ātis, f. (improprius), der uneigentliche Gebrauch, verbi, Gell. 1, 22. § 21.
non tantum debemus inhaerere ~ati verborum veritatem tegenti quantum inhiare proprietati veritatis
ex qua ~ate loquendi fit ut saepissime dicamus rem posse
imprŏprĭĕtās, ātis, f. , impropriété [grammaire] : Gell. 1, 22, 21.