The meaning of ABNORMAL is deviating from the normal or average; often : unusual in an unwelcome or problematic way. How to use abnormal in a sentence.

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ABNORMAL definition: 1. different from what is usual or average, especially in a way that is bad: 2. different from…. Learn more.

Something that is abnormal is out of the ordinary, or not typical. Abnormal is a combination of the Latin prefix ab which means “away from,” and the English word normal.

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ABNORMAL meaning: 1. different from what is usual or average, especially in a way that is bad: 2. different from…. Learn more.

The simple definition of ABNORMAL is different from what is normal or average : unusual especially in a way that causes problems.

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Someone or something that is abnormal is unusual, especially in a way that is worrying.

abnormal (æbˈnɔːməl) adj 1. not normal; deviating from the usual or typical; extraordinary 2. informal odd in behaviour or appearance; strange