Indolent or ineffectual (6)

I believe the answer is:

otiose

I believe this clue is a double definition.

'indolent' is the first definition.
(synonyms)

'ineffectual' is the second definition.
(synonyms)

(Other definitions for otiose that I've seen before include "Redundant, futile" , "Without practical purpose" , "Lazy, idle" , "Serving no useful purpose" , "Laze, idle" .)

I've seen this clue in The Irish Times.

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