The most common and most likely answer to this crossword clue is the 6 letter word ADJOIN
A
D
J
O
I
N
More clues leading to the result ADJOIN
- Meet a host who presents nothing trendy
- Neighbour of judge in trouble at home
- Be next to a judge overwhelmed by murder
- Neighbour lied to judge in a murder case
- Setter’s in a tuxedo, performing for neighbour
- Neighbour‘s home flattened by trouble around beginning of June
- Meet a radio presenter at 2 in …
- Lie by associate undermining promotion
- A radio presenter working to include one neighbour
- Be next to sign up after commercial
Buddy explains!

The straight part
We know that "Be next to" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case be next to = adjoin.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 ADJOIN mean?
ADJOIN verb- To be in contact or connection with.
- To extend an algebraic object (e.g. a field, a ring etc.) by adding to it (an element not belonging to it) and all finite power series of (the element).