The most common and most likely answer to this crossword clue is the 4 letter word GORE
G
O
R
E
More clues leading to the result GORE
- Move on the subject of bloodshed
- Leave, concerned with spilt blood
- Show embarrassment, ultimately going pink
- Act bullish, as ex-presidential hopeful?
- Horn’s choice of keys
- Goitre has no appeal: it’s a queasy sight
- It’s bloody Al…
- Set off on bloodshed
- Blood – it emerges from enlarged gland
- Work on reduction of colour in blood
Buddy explains!

The straight part
We know that "double defn?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case double defn? = gore.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 GORE mean?
GORE noun- Blood, especially that from a wound when thickened due to exposure to the air.
- Murder, bloodshed, violence.
- Dirt; mud; filth.
- (of an animal) To pierce with the horn.
- To pierce with anything pointed, such as a spear.
- A triangular piece of land where roads meet.
- A small piece of land left unincorporated due to competing surveys or a surveying error.
- The curved surface that lies between two close lines of longitude on a globe
- A triangular or rhomboid piece of fabric, especially one forming part of a three-dimensional surface such as a sail, skirt, hot-air balloon, etc.Wp
- An elastic gusset for providing a snug fit in a shoe.
- A projecting point.
- One of the abatements, made of two curved lines, meeting in an acute angle in the fesse point.
- To cut in a triangular form.
- To provide with a gore.