Dictionary Entry

abnormal

adjective

Find the meaning of the word abnormal, plus dictionary definition, pronunciation, thesaurus-style synonyms, antonyms, and related vocabulary.

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Meaning

Dictionary meaning in a clear, student-friendly format.

Not normal; very different from what is usual, typical, or expected

Example Sentence

The doctor ordered more tests because the patient’s heartbeat rhythm was abnormal.

Usage Note

Use "abnormal" when describing anything that deviates clearly from the usual pattern, especially in health, weather, or behavior discussions.