A bishop wandering around is a bit strange (8)

I believe the answer is:

aberrant

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'strange' is the definition.
(I've seen this before)

'a bishop wandering' is the wordplay.
'bishop' becomes 'B' (chess abbreviation).
'wandering' becomes 'errant' (I've seen this before).
'a'+'b'+'errant'='ABERRANT'

'around is a bit' is the link.
This may not be right. Some or all of it may belong to another bit of the clue.

Can you help me to learn more?

(Other definitions for aberrant that I've seen before include "Wandering, straying" , "Deviating from what is accepted" , "Departing from type" , "Departing from the norm" , "Departing from accepted standard" .)

I've seen this clue in The Irish Times.

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