The most common and most likely answer to this crossword clue is the 7 letter word ANIMALS
I've seen this crossword clue in The Daily Telegraph
A
N
I
M
A
L
S
More clues leading to the result ANIMALS
- Fauna and flora finally killed reversing over motorway
- Return of slayer of beasts
- Condemn popular article about beasts
- Beasts attack in area, upset
- Creatures making a lot of tricks in a turn
- Westbound motorway cutting killed a deer maybe
- Beasts harshly censure fashionable adult in review
- Article I criticise about ‘brutes‘
- Boorish guys overturned plate with last of vegetables
- I’m a student put in detention by a new school’s principal with 8, 10 across and 2, say
Buddy explains!

The straight part
We know that "brutes" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case brutes = animals.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 ANIMALS mean?
ANIMALS noun- In scientific usage, a multicellular organism that is usually mobile, whose cells are not encased in a rigid cell wall (distinguishing it from plants and fungi) and which derives energy solely from the consumption of other organisms (distinguishing it from plants).
- In non-scientific usage, any member of the kingdom Animalia other than a human.
- In non-scientific usage, any land-living vertebrate (i.e. not fishes, insects, etc.).
- A person who behaves wildly; a bestial, brutal, brutish, cruel, or inhuman person.
- A person of a particular type.
- Matter, thing.