• WordNet 3.6
    • adj atypical deviating from normal expectations; somewhat odd, strange, or abnormal "these days large families are atypical","atypical clinical findings","atypical pneumonia","highly irregular behavior"
    • adj atypical not representative of a group, class, or type "a group that is atypical of the target audience","a class of atypical mosses","atypical behavior is not the accepted type of response that we expect from children"
    • ***
Webster's Revised Unabridged Dictionary
    • a Atypical That has no type; devoid of typical character; irregular; unlike the type.
    • ***
Century Dictionary and Cyclopedia
    • atypical Same as atypic.
    • ***


Webster's Revised Unabridged Dictionary
Pref. a-, not + typic, typical,


In literature:

Antonyms: atypical, abnormal, variant, unique.
"Putnam's Word Book" by Louis A. Flemming
Atypic -ical: off type; not of the usual form.
"Explanation of Terms Used in Entomology" by John. B. Smith
Secondarily, other atypical clinical features appear, as will be seen.
"Benign Stupors" by August Hoch
Most vireos are atypical in this respect.
"Natural History of the Bell Vireo, Vireo bellii Audubon" by Jon C. Barlow
Known causes for atypical numbers of preanal scale rows are listed in Table 4.
"Morphological Variation in a Population of the Snake, Tantilla gracilis Baird and Girard" by Laurence M. Hardy
Atypical asymmetry of the cerebral hemispheres as regards bulk.
"Degeneracy" by Eugene S. Talbot
The other atypical patterns are not so easily dismissed and will be the subject of inquiry in the discussions that follow.
"A Quantitative Study of the Nocturnal Migration of Birds." by George H. Lowery.
Cancer is therefore defined as an atypical, epithelial new formation.
"A System of Practical Medicine by American Authors, Vol. I" by Various
Gout occurs in two forms, typical and atypical, irregular gout.
"The Treatment of Hay Fever" by George Frederick Laidlaw

In news:

From many outdoor enthusiasts' standpoint, 2006 was somewhat of an atypical year.
The six atypical anti-psychotics Clozaril, Risperdal, Zyprexa, Seroquel, Abilify and Geodon were touted as wonder drugs when they gained FDA approval for treating adult schizophrenia and bipolar disorder from 1989 to 2002.
"A decision was made somewhere not to brief us, which is atypical," she says.
Report of 6 atypical cases.
Atypical presentation of mucoepidermoid carcinoma after radiation therapy for the treatment of keloids.
English filmmaker Andrea Arnold's atypical impressionistic approach to Emily Brontë's Wuthering Heights is her adaptation's main hook.
A medical journal ad in the UK for AstraZeneca's Seroquel minimized weight gain data, a common side effect associated with atypical anti-psychotic drugs.
If that's the case, Randy Reid is as atypical as a zebra in a herd of mustangs.
In this Fishko Files WNYC's Sara Fishko considers Bernstein's atypical opera.
At some point, the Bears might have to address whether he can be a long-term answer at guard despite an atypical body type.
Shoes with atypical colors are for everyone.
When Marie Grimmke's son Noah was diagnosed with Asperger's syndrome last February, his pediatrician recommended she seek an atypical type of therapy.
That's probably atypical for a political fund-raiser, but it wasn't weird — it was Yellin's place, after all, and he was surrounded by friends.
Rue La La CEO Discusses Atypical Holiday Strategy, Why Amazon's Fashion Push Poses No Real Threat.
Atypical manifestations of early syphilis , although uncommon, may represent diagnostic difficulties and delay therapy.

In science:

In this subsection we will prove that the condition (T )0 implies a weak atypical quenched exit estimate.
Ellipticity criteria for ballistic behavior of random walks in random environment
Lemma 3.8 Assume that the weak atypical quenched exit estimate (3.16) is satisfied.
Ellipticity criteria for ballistic behavior of random walks in random environment
Here we will prove a crucial atypical quenched exit estimate for tilted boxes, which will subsequently enable us in section 5 to show that the regeneration times of the random walk are integrable.
Ellipticity criteria for ballistic behavior of random walks in random environment
The proof of the above proposition is based on the atypical quenched exit estimate corresponding to Proposition 4.1 of section 4.
Ellipticity criteria for ballistic behavior of random walks in random environment
For any z ≈ 0, we say that x ∈ VN is z -atypical if it is a deep trap (that is, τN ,x (cid:62) δBN ) and moreover, Ex+z > 2√log N .
Aging of asymmetric dynamics on the random energy model