verb
(transitive) To cross out something with lines etc.
(transitive) To invalidate or annul something.
(transitive) To mark something (such as a used postage stamp) so that it can't be reused.
(transitive) To offset or equalize something.
(transitive, mathematics) To remove a common factor from both the numerator and denominator of a fraction, or from both sides of an equation.
(transitive, media) To stop production of a programme.
(printing, dated) To suppress or omit; to strike out, as matter in type.
(obsolete) To shut out, as with a railing or with latticework; to exclude.
(slang) To kill.
(transitive, neologism) To cease to provide financial or moral support to (someone deemed unacceptable); to disinvite. Compare cancel culture.
noun
(US) A cancellation.
(obsolete) An enclosure; a boundary; a limit.
(printing) The suppression on striking out of matter in type, or of a printed page or pages.
(printing) The page thus suppressed.
(printing) The page that replaces it.