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1. To be victorious over someone or something. A noun or pronoun can be used between "fight" and "down." A bunch of teams threatened to unseat us from the top of the division, but we managed to fight them down. Marcy has been fighting down depression her whole life.
2. To successfully resist showing an emotion. A noun or pronoun can be used between "fight" and "down." Oh, I was furious, but I somehow managed to fight down my anger. I wanted to cry but fought my tears down—that is, until I got to my car.
fight someone or something down
to fight against and defeat someone or something. We fought the opposition down and got our bill through the committee. We had to fight down Fred, who wanted something entirely different.
fight something down
1. to struggle to hold something back; to struggle to keep from being overwhelmed by something. She fought her anger down and managed to stay calm. She fought down the urge.
2. to struggle to swallow something; to fight to get something down one's throat. It tasted terrible, but I managed to fight it down. She fought down the nasty-tasting medicine.