Beaten (8)
'beaten' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for defeated that I've seen before include "Did cream" , "Whacked" , "Beat; beaten" , "Thrashed" , "thwarted" .)
'beaten' is the definition.
(hammering is a kind of beating)
This is the entire clue.
(Other definitions for hammered that I've seen before include "Pounded with heavy implement" , "Forged" , "Hit hard" , "Beat hollow" , "Hit with a hand tool with heavy rigid head and handle" .)
'beaten' is the definition.
('trounce' can be a synonym of 'beat')
This is the entire clue.
(Other definitions for trounced that I've seen before include "Defeated decisively" , "Beat hollow" , "Thrashed, beat heavily" , "Not cured after receiving heavy beating" .)