An Encylopedia Britannica Company

spoilsport

1 ENTRIES FOUND:
spoilsport /ˈspojəlˌspoɚt/ noun
plural spoilsports
spoilsport
/ˈspojəlˌspoɚt/
noun
plural spoilsports
Britannica Dictionary definition of SPOILSPORT
[count] informal
: someone who spoils other people's fun or enjoyment