Crossword Genius

Pick out the unmarried (6)

Ross

I believe the answer is:

single

I'm a little stuck... Click here to teach me more about this clue!

This might be a double definition.

'pick out' is the first definition.
'single' can be an answer for 'pick' (thesaurus). I am not certain of the 'out' bit.

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

Can you help me to learn more?

(Other definitions for single that I've seen before include "Sole" , "Unaccompanied" , "Not one of several" , "Not in a relationship" , "Just one - on one's own" .)

I've seen this clue in The Globe and Mail and The Irish Independent.
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