(noun, adjective)


1. not normal; not typical or usual or regular or conforming to a norm

- abnormal powers of concentration

- abnormal amounts of rain

- abnormal circumstances

Similar word(s): aberrant, deviant, deviate, anomalous, antidromic, atypical, irregular, brachydactylic, brachydactylous, defective, freakish, kinky, perverted, subnormal, supernormal, vicarious, insane, unnatural

2. departing from the normal in e.g. intelligence and development

- they were heartbroken when they learned their child was abnormal

- an abnormal personality

Similar word(s): exceptional

3. much greater than the normal

- abnormal profits

- abnormal ambition

Similar word(s): immoderate


1. A person or object that is not normal.