diminish or destroy the value or quality of

I wouldn't want to spoil your fun

a series of political blunders spoilt their chances of being re-elected

harm the character of (someone, especially a child) by being too lenient or indulgent

the last thing I want to do is spoil Thomas

be extremely or aggressively eager for

Cooper was spoiling for a fight

rob (a person or a place) of goods or possessions by force or violence

the enemy entered into Hereford, spoiled and fired the city, and razed the walls to the ground

(of a person, especially a child) harmed in character by being treated too leniently or indulgently

he acts like a spoiled brat

(of food) having become unfit for eating

the smell of spoiled milk