► 名詞不戦  [ふせん]    
meaning:  compete  rank: 4☆ 
相手が
怪我で
辞退したので
彼は不戦勝した 
(ふせんしょう) ⇨ He won without playing, by default, because the opponent had withdrawn with injury  
(☛ Without actually fighting, competing)不戦  [ふせん]    
meaning:  war  rank: 4☆ 不戦条約 ⇨ A non-aggression treaty