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.

ABNORMAL definition: not normal, average, typical, or usual; deviating from a standard. See examples of abnormal used in a sentence.

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

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

Definition of abnormal adjective from the Oxford Advanced Learner's Dictionary. different from what is usual or expected, especially in a way that worries somebody or is harmful or not …

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.

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