spoil
/ˈspȯi(-ə)l/
verb
to damage seriously : ruin
to impair the quality or effect of
to impair the disposition or character of by overindulgence or excessive praise
a quarrel spoiled the celebration
noun
plunder taken from an enemy in war or from a victim in robbery : loot
something valuable or desirable gained through special effort or opportunism or in return for a favor —usually used in plural
public offices made the property of a successful party —usually used in plural