The most common and most likely answer to this crossword clue is the 8 letter word ADHESIVE
I've seen this crossword clue in The Daily Telegraph
A
D
H
E
S
I
V
E
More clues leading to the result ADHESIVE
- Hide vase, cracked — glue provided
- The fellow's in a sleazy bar, bonding
- Man's entering a drinking den that's tacky
- Publicity she wrongly associated with Brummie’s sticker
- Sticky and hot taking tablets in a seedy bar
- The man’s in a joint that’s sticky
- I’ve gone after ghastly shade that’s tacky
- Bond poster that man has – and I have – made more concise
- Clingy guy’s entering a seedy joint
- Admitted to a seedy club, that chap’s 26
Buddy explains!
The straight part
We know that "26" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case 26 = adhesive.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 ADHESIVE mean?
ADHESIVE noun- A substance, such as glue, that provides or promotes adhesion
- Sticky; tenacious, as glutinous substances
- Apt or tending to adhere; clinging