The most common and most likely answer to this crossword clue is the 5 letter word USUAL
U
S
U
A
L
More clues leading to the result USUAL
- America adopting universal line regarding customs?
- Expected almost everyone to attend American university
- The British oddly unable to follow routine
- Typical American university man
- Deviously Ursula’s refused what’s central for Boris – typical
- University in America with large common
- Customary pub so usable on a regular basis
- Start to undress in land by middle of Wimbledon Common
- U divides almost everybody including you and me, not S
- American puma regularly seen near the middle of Wimbledon Common
Buddy explains!

The straight part
We know that "not S/S" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case not s/s = usual.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 USUAL mean?
USUAL noun- The typical state of something, or something that is typical.
- A specific good or service (e.g. a drink) that someone typically orders.
- Most commonly occurring; typical.