Intensely wanted time to end badly (7)
I believe the answer is:
yearned
'intensely wanted' is the definition.
'yearned' can be an answer for 'wanted' (yearning is a kind of wanting). I am not certain of the 'intensely' bit.
'time to end badly' is the wordplay.
'time' becomes 'year' (year is a unit of time).
'to' means one lot of letters go next to another.
'badly' is an anagram indicator (letters in the wrong order).
'end' with letters rearranged gives 'ned'.
'year'+'ned'='YEARNED'
Can you help me to learn more?
(Other definitions for yearned that I've seen before include "Desired - longed (for)" , "Longed (for something)" , "Felt longing (for something)" , "Did long" , "Longed, hankered" .)