Bemoan (6)
'bemoan' is the definition.
(I know that bemoan can be written as lament)
This is all the clue.
(Other definitions for lament that I've seen before include "Wail" , "Complain" , "Mourn for; deplore" , "Expression of sorrow" , "Show of sorrow" .)
'bemoan' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for rue that I've seen before include "Regret, be sorry for" , "Feel regret for the herb" , "Regret or repent" , "Fish eggs" , "At one time, pity" .)