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to lose; to be defeated
to succumb; to give in; to surrender; to yield
to be inferior to
to break out in a rash due to (e.g. lacquer, shaving, etc.)
to reduce the price; to give a discount; to throw in (something extra) for free
昨日の試合で敗けてしまった。
I lost yesterday's game.
相手が強くて敗けるかもしれない。
The opponent is strong and I might lose.
敗けたくないから毎日練習している。
I practice every day because I don't want to lose.