Unusual, abnormal (8)

I believe the answer is:

atypical

I believe this is a double definition.

'unusual' is the first definition.
(synonyms)

'abnormal' is the second definition.
(similar in meaning)

(Other definitions for atypical that I've seen before include "Uncharacteristic" , "Abnormal, aberrent." , "Not as expected" , "Not normal" , "Unusual" .)

I've seen this clue in The Times.

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