There's no purpose to this journey (6)

I believe the answer is:

stroll

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'there's no purpose to this journey' is the definition.
The answer and definition can be both acts as well as being singular nouns.
Maybe there's an association between them I don't understand?

This is the entire clue.

Can you help me to learn more?

(Other definitions for stroll that I've seen before include "A quiet, pleasant walk" , "Meander" , "A casual, relaxing walk" , "gentle pace" , "Amble or ramble" .)

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

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