verbs
postpone indefinitely or annul something that was scheduled
"Call off the engagement"; "cancel the dinner party"; "we had to scrub our vacation plans"; "scratch that meeting--the chair is ill"
make up for
"His skills offset his opponent's superior strength"
declare null and void; make ineffective
"Cancel the election results"; "strike down a law"
remove or make invisible
"Please delete my name from your list"
make invalid for use
"cancel cheques or tickets"