not ; not conforming to the type; irregular; abnormal:
atypical behavior; a flower atypical of the species.
Contemporary Examples

The details of his emerging campaign infrastructure are as atypical as the man himself.
Ben Carson’s Bizarrely Serious, Seriously Bizarre Campaign Crew Olivia Nuzzi November 11, 2014

Now the atypical: My mother largely checked out of the parent role when I was 6.
Why I Choose to Be Child-Free: Readers Share Their Stories Harry Siegel February 26, 2013

I think he’s so atypical of what a normal 11-year-old is like.
‘About a Boy’ Star David Walton Is No Hugh Grant, in the Best Way Kevin Fallon February 19, 2014

For another troubling sign of elections to come, just look at the not atypical experience of the newly formed Ahrar Party.
Iraq’s Last Election? Michael Hastings March 2, 2010

In the Church of England, as a Guardian profile outlined, his dynamism was atypical.
UK’s No 1 Churchman Doubts Existence of God: The Archbishop of Canterbury Thinks Deep When Running With His Dog Tim Teeman September 17, 2014

Historical Examples

Especially is this true of atypical cases occurring sporadically.
A System of Practical Medicine by American Authors, Vol. I Various

atypical specimens or those to be used for illustration were set aside for separate shipment and more intensive examination.
The Topanga Culture Final Report on Excavations, 1948 A. E. Treganza

(In the present work we use the words usual, unusual, typical, and atypical with neither quotation marks nor apology).
Morphological Variation in a Population of the Snake, Tantilla gracilis Baird and Girard Laurence M. Hardy

atypical symptoms appear just as constantly in these cases, as do the atypical ideas.
Benign Stupors August Hoch

It is in this class of atypical gout that hay fever and neurasthenia belong, if they be gouty at all.
The Treatment of Hay Fever George Frederick Laidlaw

not typical; deviating from or not conforming to type

1847, from a- (2) “not” + typical. Related: Atypically.

atypical a·typ·i·cal (ā-tĭp’ĭ-kəl)
Not corresponding to the normal form or type; not typical.
a·typ’i·cal·ly adv.


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