unproper
/ʌnˈpɹɒpə/adj
High School
1
Improper, not according with fact or reason; wrong, irregular.
2
Improper, not suited for its use or application; inappropriate.
3
Not belonging to a given person; someone else's.
4
Improper, not according with good standards of behaviour; indecent, indecorous.
#archaic#obsolete#rare