The most common and most likely answer to this crossword clue is the 9 letter word BRAINLESS
I've seen this crossword clue in The Guardian
B
R
A
I
N
L
E
S
S
More clues leading to the result BRAINLESS
- Stupid British artist getting out more?
- Dozy supporter more often away
- Worship with water coming in? That’s completely stupid
- Admitting home’s completely out of cups — that’s stupid!
- . Potty‘s not supported at the top in lodging
- Stupid barrel’s dry
- Necessary to admit playful line is stupid
- Thick, black and dry
- Half baked, half hearted babble while facing drought
- Simple resins lab reconstituted
Buddy explains!
The straight part
We know that "completely stupid" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case completely stupid = brainless.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 BRAINLESS mean?
BRAINLESS adjective- Having no brain.
- Unintelligent, with little common sense.