"incapable of being or not proper to be applied, not suited or suitable," 1650s, from in- (1) "not, opposite of" + applicable. Related: Inapplicably; inapplicability.
rules inapplicable to day students
inane
inanimate
inanition
inanity
inappetence
inapplicable
inapposite
inappreciable
inapprehensible
inappropriate
inapt