unacceptable

Definitions

Not satisfactory or allowable.

Falling below an acceptable standard; intolerable.

Examples

The level of service provided at the restaurant was completely unacceptable.

It is unacceptable to treat your colleagues with such disrespect in the workplace.

Synonyms

inadmissible intolerable unsatisfactory impermissible objectionable unsuitable forbidden

Antonyms

acceptable permissible satisfactory allowable tolerable appropriate suitable