improper
/(ˌ)im-ˈprä-pər/
adjective
not proper: such as
not in accord with propriety, modesty, good manners, or good taste
not suited to the circumstances, design, or end
improper language
indecorous improper unseemly unbecoming indelicate mean not conforming to what is accepted as right, fitting, or in good taste. indecorous suggests a violation of accepted standards of good manners. improper applies to a broader range of transgressions of rules not only of social behavior but of ethical practice or logical procedure or prescribed method.
noun
a fraction whose numerator is equal to, larger than, or of equal or higher degree than the denominator
noun
a definite integral whose region of integration is unbounded or includes a point at which the integrand is undefined or tends to infinity