The most common and most likely answer to this crossword clue is the 7 letter word TWINNED
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Buddy explains!
The straight part
We know that "Wore matching attire" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case wore matching attire = twinned.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 TWINNED mean?
TWINNED verb- (obsolete outside Scotland) To separate, divide.
- (obsolete outside Scotland) To split, part; to go away, depart.
- (usually in the passive) To join, unite; to form links between (now especially of two places in different countries).
- To be paired or suited.
- To give birth to twins.
- To be born at the same birth.
- Produced at, or as if at, a single birth; united.