Dictionary

1aberrant

adjective ab·er·rant \a-ˈber-ənt, ə-, -ˈbe-rənt; ˈa-bə-rənt, -ˌber-ənt, -ˌbe-rənt\

: different from the usual or natural type : unusual or abnormal

Full Definition of ABERRANT

1
:  straying from the right or normal way
2
:  deviating from the usual or natural type :  atypical
ab·er·rance \-ən(t)s\ noun
ab·er·ran·cy \-ən(t)-sē\ noun
ab·er·rant·ly adverb
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Examples of ABERRANT

  1. <a year of aberrant weather—record rainfall in the summer, record heat in the autumn>
  2. <aberrant behavior can be a sign of rabies in a wild animal>
  3. The stones, silvered in the moon's aberrant light, shone like spectral tombs, and the figures, which Dalgliesh knew were Helena, Lettie and the Bostocks, became discarnate shapes disappearing into the darkness. —P.D. James, The Private Patient, 2008

Origin of ABERRANT

Latin aberrant-, aberrans, present participle of aberrare to go astray, from ab- + errare to wander, err
First Known Use: circa 1780

2aberrant

noun ab·er·rant \a-ˈber-ənt, ə-, -ˈbe-rənt; ˈa-bə-rənt, -ˌber-ənt, -ˌbe-rənt\

Definition of ABERRANT

1
:  a group, individual, or structure that is not normal or typical :  an aberrant group, individual, or structure
2
:  a person whose behavior departs substantially from the standard

Origin of ABERRANT

(see 1aberrant)
First Known Use: 1938
Medical Dictionary

aberrant

adjective ab·er·rant \a-ˈber-ənt, ə-; ˈab-ə-rənt, -ˌe(ə)r-ənt\

Medical Definition of ABERRANT

1
:  straying from the right or normal way <aberrant behavior>
2
:  deviating from the usual or natural type :  atypical <aberrant salivary tissue>

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