Search Result for "spoilsport": 
Wordnet 3.0

NOUN (1)

1. someone who spoils the pleasure of others;
[syn: spoilsport, killjoy, wet blanket, party pooper]



WordNet (r) 3.0 (2006):

spoilsport
    n 1: someone who spoils the pleasure of others [syn:
         spoilsport, killjoy, wet blanket, party pooper]