unproper

adjective more unproper · most unproper

1. obsolete Improper, not according with fact or reason; wrong, irregular. Sir, as I said last time, labour to keep your alacrity and dignity, in an even temper: for in a dark sadness, indifferent things seem abominable, or necessary, being neither; as trees, and sheep, to melancholy night-walkers, have unproper shapes.
2. archaic Improper, not suited for its use or application; inappropriate. The pleasure in the act of Venus is the greatest of the pleasures of the senses: the matching of it with itch is unproper; though that also be pleasing to the touch.
3. obsolete Not belonging to a given person; someone else's. There's Millions now aliue, That nightly lye in those vnproper beds, Which they dare sweare peculiar.
4. rare Improper, not according with good standards of behaviour; indecent, indecorous. His equally unproper brother, City Planner Charles W. II, shocked purists in the 19303 by building a flat-topped house in Ipswich.