Obliged to leap (5)

I believe the answer is:

bound

I believe this clue is a double definition.

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

'leap' is the second definition.
(I know that leap can be written as bound)

(Other definitions for bound that I've seen before include "Obliged; leap" , "Place restrictions" , "Certain - fastened" , "demarcation" , "Jump - certain - limit" .)

I've seen this clue in The Irish Independent.

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