Going ___ (squabbling) Crossword Clue

 The answer to the crossword clue "going ___ (squabbling)" is AT IT.

The phrase "going at it" means to argue or fight. It can also mean to work hard or to try very hard.

In the context of a crossword puzzle, the clue "going ___ (squabbling)" is likely referring to the act of arguing or fighting.

Here are some other words that can be used to mean going at it:

Arguing

Fighting

Squabbling

Bickering

Sparring

I hope this helps!