Postpone vs. Cancel

Difference Between Postpone and Cancel
Postponeverb
To delay or put off an event, appointment etc.
Cancelverb
(transitive) To cross out something with lines etc.
Postponeverb
hold back to a later time;
let's postpone the examCancelverb
(transitive) To invalidate or annul something.
He cancelled his order on their website.Cancelverb
(transitive) 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.Cancelverb
(transitive) To offset or equalize something.
The corrective feedback mechanism cancels out the noise.Cancelverb
To remove a common factor from both the numerator and denominator of a fraction, or from both sides of an equation.
Cancelverb
To stop production of a programme.
Cancelverb
To suppress or omit; to strike out, as matter in type.
Cancelverb
(obsolete) To shut out, as with a railing or with latticework; to exclude.
Cancelverb
(slang) To kill.
Cancelnoun
A cancellation (US); (nonstandard in some kinds of English).
Cancelnoun
(Internet) A control message posted to Usenet that serves to cancel a previously posted message.
Cancelnoun
(obsolete) An enclosure; a boundary; a limit.
Cancelnoun
(printing) The suppression on striking out of matter in type, or of a printed page or pages.
Cancelnoun
(printing) The page thus suppressed.
Cancelnoun
(printing) The page that replaces it.
Cancelnoun
a notation cancelling a previous sharp or flat
Cancelverb
postpone indefinitely or annul something that was scheduled;
Call off the engagementcancel the dinner partyCancelverb
make up for;
His skills offset his opponent's superior strengthCancelverb
declare null and void; make ineffective;
Cancel the election resultsstrike down a lawCancelverb
remove or make invisible;
Please delete my name from your listCancelverb
of cheques or tickets