The most common and most likely answer to this crossword clue is the 7 letter word SCORNED
I've seen this crossword clue in The Daily Telegraph
S
C
O
R
N
E
D
More clues leading to the result SCORNED
Buddy explains!

The straight part
We know that "Scoffed at" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case scoffed at = scorned.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 SCORNED mean?
SCORNED verb- To feel or display contempt or disdain for something or somebody; to despise.
- To reject, turn down.
- To refuse to do something, as beneath oneself.
- To scoff, to express contempt.
- Hated, despised, or avoided.