っこなし

expression, suffix

no chance of; certainly not; will never happen

Attaches to the -masu stem of a verb to express strong denial that something is possible. Similar to っこない, but っこなし is less common and may be considered a variant or dialectal.

See also: っこない

• こんな難むずかしい問もん題だい、できっこなしだよ。

  There's no way I can solve such a difficult problem.

• 彼かれが約やく束そくを守まもるなんて、ありっこなし。

  There's no chance he'll keep his promise.