Colourless chief scented bottles (10)

I believe the answer is:

achromatic

'colourless' is the definition.
(associated in meaning)

'chief scented bottles' is the wordplay.
'chief' becomes 'ch' (I've seen this in other clues).
'scented' becomes 'aromatic' (I've seen this before).
'bottles' is an insertion indicator ('bottle' can mean to contain).
'ch' inserted into 'aromatic' is 'ACHROMATIC'.

(Another definition for achromatic that I've seen is " Without colour".)

I've seen this clue in The Times.

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