The most common and most likely answer to this crossword clue is the 7 letter word DILATED
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More clues leading to the result DILATED
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The straight part
We know that "spread" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case spread = dilated.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 DILATED mean?
DILATED verb- To enlarge; to make bigger.
- To become wider or larger; to expand.
- To speak largely and copiously; to dwell in narration; to enlarge; with "on" or "upon".
- To use a dilator to widen (something, such as a vagina).
- (dismissal, 4chan) Expression of anger and contempt, specifically at transgender women.