The most common and most likely answer to this crossword clue is the 4 letter word NOWT
N
O
W
T
More clues leading to the result NOWT
Buddy explains!

The straight part
We know that "love" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case love = nowt.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does NOWT mean?
NOWT noun- Naught, nothing.
- Naught, nothing.
- Naught, nothing.
- An ox.
- A herd of cattle.
- A dumb, crass, or clumsy person, or a person who is difficult or stubborn.