noun
two choices; binary choice
Refers to a situation where one must choose between exactly two options. Often used in quizzes, games, or decision-making contexts. Compare with 二者択一, which is more formal.
See also: 二者択一
クイズは二択だったので、当てずっぽうでも正解できる可能性があった。
The quiz was a two-choice format, so even a guess had a chance of being correct.
進路を二択に絞って考えている。
I'm narrowing down my career path to two choices.