The overconfident hiker ignored weather warnings and set out without proper gear, risking a dangerous night on the mountain.
这位过于自信的徒步者无视天气警告，没有携带适当的装备就出发了，冒着在山上度过危险夜晚的风险。
Which choice best defines “overconfident”?
D — Too sure of oneself. “overconfident” means too sure of oneself.
Which word means “too sure of oneself”?
A — overconfident. “overconfident” means too sure of oneself.
overconfident — too sure of oneself. In Chinese: 过于自信的.
overconfident is pronounced /ˌoʊvərˈkɒnfɪdənt/.
The overconfident hiker ignored weather warnings and set out without proper gear, risking a dangerous night on the mountain. (这位过于自信的徒步者无视天气警告，没有携带适当的装备就出发了，冒着在山上度过危险夜晚的风险。)
arrogant, presumptuous, cocky — all close in meaning to overconfident (too sure of oneself).
cautious, hesitant — each the opposite of overconfident (too sure of oneself).
Yes. overconfident 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.