The most common and most likely answer to this crossword clue is the 8 letter word BRAINIER
I've seen this crossword clue in The Daily Telegraph
B
R
A
I
N
I
E
R
More clues leading to the result BRAINIER
- Black Prince is more intelligent
- British prince getting smarter
- More intelligent putting damper on Brexit, initially
- Black Prince appears more intelligent
- Black Prince with more grey matter
- Smarter wooden frame that absorbs water
- Black Prince of yesteryear more intelligent
- More intelligent British having longer showers?
- Blustery at first with more showers, becoming brighter
Buddy explains!
The straight part
We know that "more intelligent" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case more intelligent = brainier.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 BRAINIER mean?
BRAINIER adjective- Very intellectually capable.