The most common and most likely answer to this crossword clue is the 4 letter word OATH
I've seen this crossword clue in The Times
O
A
T
H
More clues leading to the result OATH
- Appeal? You’ll get nothing on a Thursday!
- One sworn to at home hides
- Solemn promise to Athena? Not entirely
- It may be sworn round at hotel
- Promise shown by hero at Harrow
- Grass is needed by horse, I swear it?
- Swear word used in set-to at hotel
- Loathe keeping promise
- Obscenity is old hat, unfortunately
- Curse impresario at hit shows
Buddy explains!
The straight part
We know that "One sworn" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one sworn = oath.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 OATH mean?
OATH noun- A solemn pledge or promise, appealing to a deity, a ruler, or another entity (not necessarily present) to attest to the truth of a statement or sincerity of one's desire to fulfill a contract or promise.
- A statement or promise which is strengthened (affirmed) by such a pledge.
- A light, irreverent or insulting appeal to a deity or other entity.
- A curse, a curse word.
- To pledge.
- A solemn pledge or promise, appealing to a deity, a ruler, or another entity (not necessarily present) to attest to the truth of a statement or sincerity of one's desire to fulfill a contract or promise.
- A statement or promise which is strengthened (affirmed) by such a pledge.
- A light, irreverent or insulting appeal to a deity or other entity.
- A curse, a curse word.
- To pledge.