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.

The Abnormal Behavior Platform uses superhuman understanding of human behavior to protect against phishing, social engineering, and account takeovers. Recognized as a 2024 Gartner ® Magic …

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 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.

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

Mar 11, 2026 · Abnormal behavior isn’t just “weird” — learn what clinically defines it, what causes it, and how to spot patterns that may signal a real concern.

Mar 31, 2024 · Abnormal refers to deviating from what is normal or typical, often implying a negative connotation, whereas unnormal is less commonly used and lacks a precise definition in standard …

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.

Nov 17, 2025 · Discover what “abnormal” truly means, how it’s used, and when it matters. Simple, expert-backed guide with examples and explanations.