The most common and most likely answer to this crossword clue is the 3 letter word FOE
I've seen this crossword clue in The Guardian
F
O
E
More clues leading to the result FOE
- Form of enemy, primarily
- No friend is false, did you say?
- Challenger bogus, by the sound of it?
- Enemy of international environmental group
- Heading north east from the opposing side
- Enemy returning of course – ultimately …
- Rival fooled in odd places?
- Enemy force ignoring Red Cross
- Opponent of turning east
- Enemy runs away from front …
Buddy explains!
The straight part
We know that "Enemy/international environmental group" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case enemy/international environmental group = foe.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 FOE mean?
FOE noun- An enemy.
- Hostile.
- A unit of energy equal to 1044 joules.