improper
adjective
not proper; not strictly belonging, applicable, correct, etc.; erroneous.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
And so did change from her intent; yet with no improperness of modesty; but only with a niceness of Sense, which she did make no talk of; but yet did have.
From The Night Land by William Hope Hodgson