His relentless hammering questions and improper statements drove Pistorius to tears.
improper mining could kill the Kabul River and poison the aquifer for generations to come.
Because “improper dependence” is precisely the problem that limits on aggregate contributions are meant to attack.
Fully 29 examples—almost five times the number of “quid pro quo” examples—were cases of “improper dependence.”
It had everything to do with the wrong incentives being allowed into the system because of that improper dependence.
For my own part, I thought pride in his case an improper subject for raillery.
Before we quit this island, it will not, perhaps, be improper to mention some things about it.
To define equality that which is contrary to inequality, is improper.
The improper connections were soon removed and others substituted.
Complex and improper fractions and recurring decimals are not allowed.
mid-15c., "not true," from French impropre (14c.), from Latin improprius, from assimilated form of in- "not, opposite of" (see in- (1)) + proprius (see proper). Meaning "not suited, unfit" is from 1560s; that of "not in accordance with good manners, modesty, decency" is from 1739. Related: Improperly (late 14c.).