Greatly surprise (4)
(Other definitions for startle that I've seen before include "Cause shock/alarm" , "Rattles (anag.)" , "Alarm suddenly" , "Alarm (someone)" , "Frighten suddenly" .)
'greatly surprise' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for astound that I've seen before include "Amaze, astonish" , "Stagger" , "Flabbergast" , "Bowl over" , "Shock - amaze" .)
'greatly surprise' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for amaze that I've seen before include "Cause wonder" , "Bowl over" , "Floor" , "shock" , "Affect with wonder" .)
'greatly surprise' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for stun that I've seen before include "'Shock, daze (4)'" , "deliver a knock-out blow" , "Daze with nuts" , "Surprise greatly, knock someone''s socks off" , "Concuss, stupefy" .)