The most common and most likely answer to this crossword clue is the 3 letter word SHE
I've seen this crossword clue in The Times
S
H
E
More clues leading to the result SHE
- Drop daughter off: how I refer to her?
- Haggard work has such predictable endings
- Wicked person to abandon sin
- Maybe Lady Macbeth's wrong to follow cast off
- Quiet English female
- The woman at the heart of British Empire
- Rid oneself of sin? This woman won’t
- The vessel almost took off
- Into fitness, healthy woman
- Novel abandoned, unfinished
Buddy explains!

The straight part
We know that "Wicked person" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case wicked person = she.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 SHE mean?
SHE noun- A female.
- (personal) The female person or animal previously mentioned or implied.
- (personal, sometimes affectionate) A ship or boat.
- (personal, sometimes affectionate, old-fashioned) A country, or sometimes a city, province, planet, etc.
- (personal, old-fashioned) Any machine or thing, such as a car, a computer, or (poetically) a season.
- (personal) A person whose gender is unknown or irrelevant (used in a work, along with or in place of he, as an indefinite pronoun).