The most common and most likely answer to this crossword clue is the 7 letter word UPBRAID
I've seen this crossword clue in The Daily Telegraph
U
P
B
R
A
I
D
More clues leading to the result UPBRAID
- Loot going on new pub carpet
- Carpet fully woven band of fabric
- Heavily criticise attack on new pub
- In cheerful mood, trimming carpet
- Revolting woven fabric for carpet
- Raised offer to bag artist for lecture
- Rebuke for terrible pub attack
- Reprimand bishop interrupting leading attack
- Dress down at college bar untidily — I would
- Mounted second-rate attack giving abuse
Buddy explains!

The straight part
We know that "Dress down" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dress down = upbraid.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 UPBRAID mean?
UPBRAID noun- The act of reproaching; scorn; disdain.
- To criticize severely.
- (followed by with or for, and formerly of before the object) To charge with something wrong or disgraceful; to reproach
- To treat with contempt.
- (followed by "to" before the object) To object or urge as a matter of reproach
- To utter upbraidings.
- To vomit; retch.