Intense dislike (6)
'intense dislike' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for hatred that I've seen before include "'Loathing, enmity (6)'" , "Violent emotion" , "Extreme dislike and enmity" , "Animus" , "Dearth (anag)" .)
(Other definitions for horror that I've seen before include "Great dismay" , "Awfulness" , "Intense aversion" , "Terror; film genre" , "Feeling of loathing and fear" .)
'intense dislike' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for hate that I've seen before include "Dislike intensely" , "[OPPOSITE OF] Be besotted with" , "Despise" , "Passion" , "Odium" .)