In the debate, her opponent presented a well-reasoned argument that challenged her central thesis.
在辩论中，她的对手提出了一个论证充分的论点，挑战了她的核心论点。
Which choice best defines “opponent”?
A — A person who competes against or fights another. “opponent” means a person who competes against or fights another.
Which word means “a person who competes against or fights another”?
B — opponent. “opponent” means a person who competes against or fights another.
opponent — a person who competes against or fights another. In Chinese: 对手.
opponent is pronounced /əˈpoʊnənt/.
In the debate, her opponent presented a well-reasoned argument that challenged her central thesis. (在辩论中，她的对手提出了一个论证充分的论点，挑战了她的核心论点。)
rival, adversary, competitor — all close in meaning to opponent (a person who competes against or fights another).
ally, supporter — each the opposite of opponent (a person who competes against or fights another).
Yes. opponent is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.