不可
Meanings
noun which may take the genitive case particle 'no', na-adjective, noun, noun, used as a suffix
wrong; bad; improper; inadvisable
Used to describe something that is morally or practically unacceptable, not right, or not advisable. Often appears in formal or written contexts.
Such behavior is unacceptable.
This plan was judged infeasible from a budgetary standpoint.
noun which may take the genitive case particle 'no', na-adjective, noun, noun, used as a suffix
Indicates prohibition or impossibility. Common in rules, signs, and formal statements. Also used as a suffix (〜不可) meaning 'cannot be done' or 'not permitted'.
Photography is not allowed here.
This document cannot be reissued.
Specifically refers to a failing mark in an academic or evaluative context. Often contrasted with 可 (pass).
I got a failing grade on the final exam.
Usage patterns
- 〈事〉は不可used to state that a certain action is not allowed (e.g. on signs or rules)
Photography is not allowed in this museum.
- 〈物〉が不可になるto receive a failing grade (on a test, course, etc.)
He failed the math exam.