unacceptable

/ʌnˈæk.sɛp.tə.bəl/
not satisfactory or adequate

The quality of the product was unacceptable.

The product did not meet the required standards.


general

Not satisfactory or adequate; failing to meet standards or expectations.

His behavior was unacceptable in a professional setting.

His actions were inappropriate and not acceptable in the workplace.

The restaurant's hygiene standards were unacceptable.

The cleanliness of the restaurant did not meet acceptable levels.

Often used to express strong disapproval or dissatisfaction with something.

Collocations

unacceptable behavioractions that are inappropriate or offensiveunacceptable conditionssituations that are not tolerable

Pro Tip

Usage Tip

Use 'unacceptable' to emphasize that something is not good enough or appropriate.

Word Origin

From Middle English 'unacceptable', from 'un-' (not) + 'acceptable' (able to be accepted).

Usage Notes

The word is often used to express strong disapproval or to indicate that something does not meet required standards.

Word Breakdown

un-
not
prefix
+
acceptable
able to be accepted
root
English Dictionary