The most common and most likely answer to this crossword clue is the 5 letter word HOVER
I've seen this crossword clue in The Sunday Telegraph
H
O
V
E
R
More clues leading to the result HOVER
- Hang about in south coast resort before run
- Hoedown's beginning on float
- Remain undecided about joining Hearts
- Linger as husband left after others have gone?
- Linger, however, after partners have left
- Hang around shack eventually changing hands
- Linger in south coast resort by river
- Fly across to the hill top
- Primarily hang over!
- Hang around hotel, superfluous
Buddy explains!

The straight part
We know that "Linger" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case linger = hover.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 HOVER mean?
HOVER noun- The act of hovering
- To float in the air.
- To linger or hang in one place, especially in an uncertain manner.
- To waver, or be uncertain.
- To place the cursor over a hyperlink or icon without clicking.
- A cover; a shelter; a protection.