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Definition of atypical
atypical
/eɪˈtɪp.ɪ.kəl/
a · typ · i · cal
Adverb:atypically
atypical Lexical Profile
CEFR
C1
Grade
9
Tier
2
Usage
Top 10k
Syllables
4
atypical Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Not representative of a type, group, or class; unusual or uncharacteristic.
Example
"Snowfall in late May is highly atypical for this coastal region."
2
Differing from the usual clinical presentation, symptom pattern, or mechanism of action (of a medical condition, pathogen, or pharmaceutical drug).
Example
"The patient was diagnosed with atypical pneumonia after presenting with mild, persistent symptoms rather than a sudden high fever."
Synonyms
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Word Origin & Etymology
Formed in the mid-19th century by combining the Greek privative prefix 'a-' (not) with 'typical', which derives from Greek 'typikos' (of or for a type).
Cite this Entry
Wordmom. (2026). Definition of Atypical. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/atypical