The most common and most likely answer to this crossword clue is the 13 letter word ANTICLOCKWISE
I've seen this crossword clue in The Sunday Telegraph
A
N
T
I
C
L
O
C
K
W
I
S
E
More clues leading to the result ANTICLOCKWISE
- Like a sort of movement that goes back in time?
- New cocktails I prepared the wrong way?
- Go from nine to five with 50 per cent less effort thus?
- Demonstrating opposition to hunter’s movement?
- How one may spin round having drunk cocktails and wine!
- Direction in which new cocktail is stirred?
- Wine cocktails? Throw it in the opposite direction
Buddy explains!

The straight part
We know that "thus" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case thus = anticlockwise.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 ANTICLOCKWISE mean?
ANTICLOCKWISE adjective- (South Africa, AU, of movement) in a circular fashion so as to be moving to the left at the top of the circle and to the right at the bottom (when viewed from the front), in the opposite direction to the way the hands of an analogue clock move.
- In an anticlockwise fashion.