The most common and most likely answer to this crossword clue is the 8 letter word ANTIDOTE
I've seen this crossword clue in The Daily Telegraph
A
N
T
I
D
O
T
E
More clues leading to the result ANTIDOTE
- A diet not designed as a remedy
- Unusual diet not a remedy
- A holy book … solemn vow … what else? Finally, something to combat evil
- Fancy diet not a cure
- Poor diet, not a remedy
- Poison counter
- Changing diet not a remedy
- Relief, but not for love
- Medicine that might counteract a love potion?
- Cure for love-sickness?
Buddy explains!
The straight part
We know that "remedy" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case remedy = antidote.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 ANTIDOTE mean?
ANTIDOTE noun- A remedy to counteract the effects of poison (often followed by "against," "for," or "to").
- Something that counteracts or prevents something harmful.
- To counteract as an antidote.