Abashed (10)
'abashed' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for ashamed that I've seen before include "Troubled by feelings of guilt or embarrassment" , "Mortified, humbled" , "Having painful regret for behaviour" , "Embarrassed and Contrite" , "Feeling bad, having done something wrong" .)
'abashed' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for shamefaced that I've seen before include "Sorry-looking" , "Sheepish" , "Red" , "Hangdog" , "Embarrassed" .)
(Other definitions for sheepish that I've seen before include "Shamefaced, embarrassed" , "Bashful and embarrassed like woolly creature" , "Embarrassed -- like ewe!" , "Embarrassedly shy" , "embarrassment" .)