The most common and most likely answer to this crossword clue is the 2 plus 5 letter word IN HASTE
I've seen this crossword clue in Financial Times
I
N
H
A
S
T
E
More clues leading to the result IN HASTE
- Hurriedly getting home – has left office finally
- One shan’t put off Beefy slimming to core in fast
- Using speed, isn’t he a criminal?
- Current husband to blow wife away quickly
- Saint — he suffers with fast
- Tina — she changed hurriedly
- Repent at leisure if you act thus, proverbially
- Quickly alter a hint with a bit of software engineering
- Popular aversion to accept society quickly
- Justin has teams exhibiting too quickly, perhaps
Buddy explains!

The straight part
We know that "Hurriedly" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hurriedly = in haste.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.