Verb

To cross out something with lines etc.

* Blackstone

A deed may be avoided by delivering it up to be cancelled ; that is, to have lines drawn over it in the form of latticework or cancelli; the phrase is now used figuratively for any manner of obliterating or defacing it.

To invalidate or annul something.

He cancelled his order on their website.

* 1914 , (Marjorie Benton Cooke), Bambi

*:"I don't know what your agreement was, Herr Professor, but if it had money in it, cancel it. I want him to learn that lesson, too."

To mark something (such as a used postage stamp) so that it can't be reused.

This machine cancels the letters that have a valid zip code.

To offset or equalize something.

The corrective feedback mechanism cancels out the noise.

(mathematics) To remove a common factor from both the numerator and denominator of a fraction, or from both sides of an equation.

(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.

* Milton

cancelled from heaven

(slang) To kill.

Verb

(en verb)

To forbid, disallow, or proscribe officially; to make illegal or illicit.

*{{quote-magazine, date=2013-06-07, author= Ed Pilkington

, volume=188, issue=26, page=6, magazine=(The Guardian Weekly) , title= ‘Killer robots’ should be banned in advance, UN told , passage=In his submission to the UN, [Christof] Heyns points to the experience of drones. Unmanned aerial vehicles were intended initially only for surveillance, and their use for offensive purposes was prohibited , yet once strategists realised their perceived advantages as a means of carrying out targeted killings, all objections were swept out of the way.}}