The most common and most likely answer to this crossword clue is the 8 letter word UNAWARES
U
N
A
W
A
R
E
S
More clues leading to the result UNAWARES
- Unexpectedly French and English articles and goods
- Girl gets merchandise inadvertently
- Girl’s pottery beginning to sell unexpectedly
- Without knowing, white unicorn’s heading up to god
- Girl was about to enter without warning
- Continued to hedge about following a girl in the dark
- Stubbs for one was about to enter without warning
- Unknowingly posh answer — piercing answer, unfortunately
- A foreign area with goods for sale, unexpectedly
- Woman with things to sell suddenly
Buddy explains!

The straight part
We know that "unexpectedly" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case unexpectedly = unawares.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 UNAWARES mean?
UNAWARES adverb- Unexpectedly or by surprise.
- Inadvertently.
- Without plan or forethought.