Sorry to get out of Pasadena (3)
I believe the answer is:
sad
'sorry' is the definition.
('sad' can be a synonym of 'sorry')
'out of pasadena' is the wordplay.
'out of' says the answer is hidden in the clue.
'SAD' can be found hidden inside 'pasadena'.
'to get' is the link.
(Other definitions for sad that I've seen before include "Gloomy" , "Winter blues, initially" , "Doleful" , "Regrettable" , "Melancholy or pitiful" .)