Really do not like to take in a point in a big hurry (5)
I believe the answer is:
'a big hurry' is the definition.
(I've seen this in another clue)
'really do not like to take in a point' is the wordplay.
I cannot quite see how this works, but
'like' could be 'as' and 'as' is found in the answer.
'point' could be 'e' (compass point) and 'e' is found in the answer.
This explanation may well be incorrect...
'in' acts as a link.
Can you help me to learn more?
(Other definitions for haste that I've seen before include "velocity" , "Hurry, urgency" , "Speed, hurry" , "Leader abandons modest" , "More of this can slow you up!" .)