Spoilt (6)
'spoilt' is the definition.
('mar' can be a synonym of 'spoil')
This is the entire clue.
(Other definitions for marred that I've seen before include "Blemished" , "Damaged or spoiled" , "'Impaired, spoilt (6)'" .)
'spoilt' is the definition.
(ruining is a kind of spoiling)
This is the entire clue.
(Other definitions for ruined that I've seen before include "Bust" , "Destroyed, undone" , "Physically destroyed or financially impoverished" , "Destroyed or bankrupted" , "Wrecked" .)