Inclined to be lying (5)

I believe the answer is:

prone

This clue is a double definition.

'inclined to' is the first definition.
(thesaurus)

'be lying' is the second definition.
(I've seen this before)

(Other definitions for prone that I've seen before include "Liable (to suffer) - lying down" , "Lying face down - inclined" , "Lying flat" , "Lying face downward" , "Recumbent, likely" .)

I've seen this clue in The Irish News and The Irish Times.

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