The most common and most likely answer to this crossword clue is the 7 plus 4 letter word WATERED DOWN
W
A
T
E
R
E
D
D
O
W
N
More clues leading to the result WATERED DOWN
Buddy explains!
The straight part
We know that "concentrated less" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case concentrated less = watered down.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 WATERED DOWN mean?
WATERED DOWN adjective- Diluted; containing extra water
- (by extension) Weakened or simplified