unacceptably

Definitions

In a manner that is not satisfactory or allowable.

To a degree that is intolerable or beyond what is permitted.

Examples

The service at the restaurant was unacceptably slow, taking over an hour for our appetizers to arrive.

It is unacceptably dangerous to drive on these icy roads without proper winter tires.

Synonyms

intolerably inadmissibly unsatisfactorily improperly inappropriately excessively

Antonyms

acceptably satisfactorily admissibly appropriately tolerably suitably