Explanation
Denies a general assumption; 'it does not mean that', 'it's not the case'.
Formation
Verb-casual + わけではない, い-Adjective + わけではない, な-Adjective + だわけではない, Noun + だわけではない
Detailed explanation
The ～わけではない grammar point is used to deny or correct a general assumption or statement without completely negating the situation. It often emphasizes one particular point that is not true, while acknowledging other possibilities.
Examples
Kare ga isogashii kara to itte, tomodachi ga inai wake dewa nai.
Just because he's busy doesn't mean he has no friends.
Kono eiga wa omoshirokunai wake dewa nai ga, konomi dewa nai.
It's not that this movie isn't interesting; it's just not my taste.
Kanojo ga byouki dakara to itte, mainichi nete iru wake dewa nai.
Just because she's sick doesn't mean she's in bed all day.
Kare ga daigaku ni itte inai kara to itte, baka da wake dewa nai.
Just because he didn't go to college doesn't mean he's stupid.
Practice
Grammar content sourced from hanabira.org.