Crossword Genius

Old theologian, peculiar (3)

Ross

I believe the answer is:

odd

'peculiar' is the definition.
(thesaurus)

'old theologian' is the wordplay.
'old' becomes 'o' (common abbreviation eg in OE for Old English).
'theologian' becomes 'dd' (Doctor of Divinity degree).
'o'+'dd'='ODD'

(Other definitions for odd that I've seen before include "Number not divisible by two" , "unlike 1984" , "Rum" , "Peculiar or unpaired" , "Extraordinary" .)

I've seen this clue in The Times.
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