Crossword Genius

No end for reluctant states (5)

Ross

I believe the answer is:

avers

'states' is the definition.
(to aver is to declare or state)

I don't understand how the rest of the clue works.

(Other definitions for avers that I've seen before include "Swears" , "Declares to be true" , "States to be true" , "States positively" , "States firmly - really raves" .)

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