To ostracize.
To vote against, especially in an exclusive organization.
A black ball used to indicate such a negative vote.
A rejection; a vote against admitting someone.
A kind of large black sweet; a niggerball.
A game, a standardized version of the English version of eight-ball.
A substance for blacking shoes, boots, etc. or for taking impressions of engraved work.
To invalidate or annul something.
To cross out something with lines etc.
To offset or equalize something.
To kill.
To remove a common factor from both the numerator and denominator of a fraction, or from both sides of an equation.
To cease to provide financial or moral support to (someone deemed unacceptable). Compare cancel culture.
To stop production of a programme.
To mark something (such as a used postage stamp) so that it can't be reused.
A cancellation (US); (nonstandard in some kinds of English).
The page thus suppressed.
A control message posted to Usenet that serves to cancel a previously posted message.
The page that replaces it.
The suppression on striking out of matter in type, or of a printed page or pages.