(Of tides) going out (6)
I believe the answer is:
ebbing
(Other definitions for ebbing that I've seen before include "Declining" , "in decline?" , "Gradually growing less" , "Going out like a tide" , "Receding like Big Ben" .)
I believe the answer is:
ebbing
(Other definitions for ebbing that I've seen before include "Declining" , "in decline?" , "Gradually growing less" , "Going out like a tide" , "Receding like Big Ben" .)