Crossword Genius

Having no end in sight (7)

Ross

I believe the answer is:

aimless

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

'having no' is the definition.
I can't tell whether this defines the answer.

'end in sight' is the wordplay.
'end' becomes 'aim' (both can mean a purpose or goal).
'in sight' becomes 'less' (I can't justify this - if you can you should believe this answer much more).
'aim'+'less'='AIMLESS'

Can you help me to learn more?

(Other definitions for aimless that I've seen before include "without sense of purpose" , "Without purpose or plan" , "Lacking a goal" , "lacking direction" , "Without purpose or direction" .)

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