はずない

expression, i-adjective

it cannot be that ...; it is impossible that ...; it is highly unlikely that ...

Strong negative conjecture; expresses the speaker's conviction that something is impossible or extremely unlikely. Often used as a colloquial contraction of はずがない.

See also: はずがない

• 彼かれがそんなことをするはずない。

  He can't possibly do such a thing.

• こんな簡かん単たんな問もん題だいが解とけないはずない。

  There's no way you can't solve such an easy problem.