Explanation
Expresses that something is impossible or unreasonable; 'there's no way', 'can't be'.
Formation
Verb-casual + わけがない, い-Adjective + わけがない, な-Adjective + なわけがない, Noun + のわけがない
Detailed explanation
The ～わけがない grammar point is used to show that something is impossible, non-existent, or unreasonable based on logic or context. It is often translated as 'there's no way' or 'it's impossible'.
Examples
彼がそんなことを言うわけがない。
Kare ga sonna koto wo iu wake ga nai.
There's no way he would say something like that.
あのレストランがまずいわけがない。
Ano resutoran ga mazui wake ga nai.
There's no way that restaurant tastes bad.
彼女が優しくないわけがない。
Kanojo ga yasashiku nai wake ga nai.
There's no way she's not kind.
彼が試験に合格しないわけがない。
Kare ga shiken ni goukaku shinai wake ga nai.
There's no way he won't pass the exam.
Practice
Grammar content sourced from hanabira.org.