Crossword Genius

I will study team on the left, making the wrong choice? (3-10)

Ross

I believe the answer is:

ill-considered

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'the wrong choice?' is the definition.
Both the definition and answer are adjectives. Maybe there's an association between them I don't understand?

'i will study team on the left' is the wordplay.
'i will' becomes 'I'll' (abbreviation).
'study' becomes 'con' (con can informally mean to study).
'team' becomes 'side' (both can mean a sports team).
'on the left' becomes 'red' (red can mean leftwing).
'ill'+'con'+'side'+'red'='ILL-CONSIDERED'

'making' is the link.

Can you help me to learn more?

(Other definitions for ill-considered that I've seen before include "End collier I/Ds? (anag)" , "Foolish" , "Rash" , "Not carefully planned" , "Badly thought out" .)

I've seen this clue in The Telegraph.
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