to annul, to cancel, to drop, to lift, to negate, to nullify, to repeal, to rescind, to void, to abrogate, to abate {ww.} annuler
abroger
supprimer
Should I cancel the call?
Dois-je annuler l'appel ?
I'd like to cancel my reservation.
J'aimerais annuler ma réservation.