The phrase "neighbouring table" is correct and usable in written English.
You can use it when referring to a table that is near, or next to, another table, e.g. "The waiter placed our food on the neighbouring table".
I guess it was taken by a stranger at a neighbouring table or maybe a waiter.
You watch as an elegant trolley is wheeled to a neighbouring table, a tin-lined copper pan taken out.
A thin, middle-aged man leans across from a neighbouring table, eager to tell us his story.
The woman hectoring her boyfriend at the neighbouring table about his many sexual failings distracted us only occasionally.
At the neighbouring table, a handsome, silver-haired Mediterranean murmurously romanced a slender jeune fille.
But it is a huge leap from that to Tory MPs looking at Londoners on the neighbouring table and saying, "We'll have what they're having".
There were plenty of staff, but they were too busy apologising to our neighbouring tables for unspecified misdemeanours to pay us much attention.
We were at neighbouring tables at a smart London restaurant, and I found it very hard to take my eyes of him.
She has an outrageous and infuriating counterpart in MI6 who flirts and bickers with her over lavish lunches where national security is discussed with a reckless disregard for the possibility of eavesdroppers at neighbouring tables.
And it lacks the Big Apple's attitude – I don't think we ate anywhere that diners at neighbouring tables didn't chat, offering restaurant advice and gossip, and even – when our taxis failed to show – lifts to our destination.
"People talk loudly and are overheard by strangers at neighbouring tables.
