The most common and most likely answer to this crossword clue is the 6 letter word MAILED
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Buddy explains!
The straight part
We know that "Sent" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sent = mailed.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 MAILED mean?
MAILED verb- (ditransitive) To send (a letter, parcel, etc.) through the mail.
- (ditransitive) To send by electronic mail.
- To contact (a person) by electronic mail.
- To arm with mail.
- To pinion.
- (ditransitive) To send (a letter, parcel, etc.) through the mail.
- (ditransitive) To send by electronic mail.
- To contact (a person) by electronic mail.
- To arm with mail.
- To pinion.
- Armoured in, protected by, or made of mail.
- Spotted.