The most common and most likely answer to this crossword clue is the 7 letter word CHEMISE
I've seen this crossword clue in The Times
C
H
E
M
I
S
E
More clues leading to the result CHEMISE
- Loose dress: hem is dropped in church
- Shift from English — earlier try to abandon science
- Shift work scheme engages one
- Scientist requiring energy for time shift
- Boots perhaps mostly seen with European woman’s garment
- Garment with classic hem is exquisite
- Something to wear in church, I seem to recollect
- Female garment requiring some fabric, hem is extended
- Garment of scientist given new hem
- Before start of Easter, dispenser’s short shift
Buddy explains!

The straight part
We know that "shift" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case shift = chemise.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 CHEMISE mean?
CHEMISE noun- A loose shirtlike undergarment, especially for women.
- A short nightdress, or similar piece of lingerie.
- A woman's dress that fits loosely; a chemise dress.
- A wall that lines the face of a bank or earthwork.