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.
二択 is a casual, shortened way of saying 'two choices' used in everyday talk or quizzes, whereas 二者択一 is the more formal, logical term for the same idea.
Standard kanji spelling.
Numerical variant, common in casual writing.
Compound of 二 (two) and 択 (choice, selection). A straightforward modern coinage.