noun
signs of defeat; negative turn of events
Used when a situation starts to look unfavorable, especially in sports, battles, or competitions. Often appears in phrases like 敗色が濃い (defeat looks likely).
試合は後半に入り、我がチームに敗色が濃くなってきた。
As the game entered the second half, signs of defeat grew stronger for our team.
選挙戦で敗色が漂い始め
The candidate, sensing a negative turn in the election, put all his energy into his final speech.