The most common and most likely answer to this crossword clue is the 7 letter word BLATANT
I've seen this crossword clue in The Sunday Telegraph
B
L
A
T
A
N
T
More clues leading to the result BLATANT
- Clear latitude during Prohibition to get source of tequila
- Clear reprimand when spades lost by worker
- Offensively obtrusive and pointless complaint by social worker
- Brazen curse-word putting out small worker
- Glaring at paragon of industry supporting British left
- Liberal seen in club with six-footer, unashamed
- Unashamed Liberal enrolled in club — a new recruit at last
- Obvious curse coming with dismissal of second worker
- Glaring at a piece of nut in bacon sandwich
Buddy explains!

The straight part
We know that "Glaring" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case glaring = blatant.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 BLATANT mean?
BLATANT adjective- Bellowing; disagreeably clamorous; sounding loudly and harshly.
- Obvious, on show; unashamed; loudly obtrusive or offensive.