Dictionary Entry
unacceptable
adjectiveFind the meaning of the word unacceptable, plus dictionary definition, pronunciation, thesaurus-style synonyms, antonyms, and related vocabulary.
1
Meaning
Dictionary meaning in a clear, student-friendly format.
Not satisfactory or allowed; not able to be accepted.
Example Sentence
The teacher marked the essay as unacceptable because it contained plagiarized content.
Usage Note
Use 'unacceptable' to describe behavior, conditions, or results that do not meet standards or rules, such as unacceptable noise levels in a library or unacceptable performance in a project.