Not conforming to the type or norm; unusual, irregular, or uncommon.


US English

UK English

Part of Speech



Unusual, uncommon, abnormal, irregular, deviant, different, distinctive, unique, peculiar, singular, rare, odd, offbeat, unconventional


Typical, ordinary, normal, standard, conventional, usual, common, regular

Word Forms

Part of Speech Words
Noun atypicality, atypicalities
Verb None
Adjective atypical
Adverb atypically

Example Sentences

  • The city’s architecture was atypical of what you would expect in the region.

  • In a classroom full of extroverted students, Jack’s atypical quiet demeanor and introspective nature set him apart, leading some to misunderstand him as aloof, but those who took the time to know him discovered a brilliant mind and a depth of thought that was truly extraordinary.

  • This case is atypical, and it requires a different approach than our standard procedures.

  • His atypical appearance drew attention to him wherever he went.


The word “atypical” is an adjective that refers to something that is not typical, usual, or common. The prefix “a-” in “atypical” means “not” or “without,” and the root word “typical” means “representative of a type” or “characteristic of a particular group or category.” Together, they form a word that describes something that does not conform to the typical or expected norm.

Atypical can be used to describe a wide range of things, from people and behaviors to objects and situations. For example, an atypical presentation may be one that is not typical for a certain audience or situation. An atypical product may be one that deviates from the norm in terms of design, functionality, or quality.

Atypical can also be used to describe people who are different from what is considered typical or conventional. For example, someone’s behavior, beliefs, or personality may be considered atypical if they deviate from the norms of their society or culture. In this sense, the word can have both positive and negative connotations, depending on the context.

Atypical is often used in medical contexts to describe a condition or disease that is not typical or common. For example, an atypical form of cancer may be one that is rare or has unusual characteristics. In psychology, atypical behavior may be one that is not considered normal or healthy.

In summary, atypical is a versatile word that can be used to describe anything that is not typical or common. Its meaning can vary depending on the context in which it is used, but it is generally understood to refer to something that is unusual, irregular, or uncommon.