Feel sorrow (6)
'feel sorrow' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for grieve that I've seen before include "Feel intense sorrow at someone's death" , "Suffer great sorrow" , "Suffer intense sorrow" , "Mourn, lament" , "Feel deep sorrow as for a death" .)
'feel sorrow' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for rue that I've seen before include "Regret - wild shrub" , "Regret in a French street" , "repentance" , "Nice way" , "Swann's way?" .)