American English

Definition of spoilsport noun from the Oxford Advanced American Dictionary

 

spoilsport

 noun
noun
NAmE//ˈspɔɪlspɔrt//
 
(informal)
 
jump to other results
a person who spoils other people's enjoyment, for example by not taking part in an activity or by trying to stop other people from doing it Don't be such a spoilsport!
See the Oxford Advanced Learner's Dictionary entry: spoilsport