unsuitable to needs or circumstances; inappropriate; inapt
Not in keeping with conventional mores or good manners; indecent or immodest
Not according to facts; inaccurate or erroneous
Not consistent with established facts; incorrect
Not properly named; See, for example, improper fraction puhekieltä Not specific or appropriate to individuals; general; common.
Not to be adorned with any art but such improper ones as nature is said to bestow, as singing and poetry.
puhekieltä To appropriate; to limit.
He would in like manner improper and inclose the sunbeams to comfort the rich and not the poor.