If you describe something as unacceptable, you strongly disapprove of it or object to it and feel that it should not be allowed to continue. It is totally unacceptable for children to swear.

What does unacceptable mean in a sentence?

adjective. not satisfactory; inadequatethe standard was wholly unacceptable. intolerablehitting children is unacceptable.

What type of word is unacceptable?

Unacceptable is an adjective - Word Type.