i Register
In some senses, chinwag is marked as informal, UK. Watch for register when choosing this word.
noun
An informal conversation, usually about everyday matters; a chat, a gossip.
Reg liked a chat about old times and we used to go and have a chinwag in the pub.
Every major network has at least one prime-time newsmagazine, which features extended coverage of gruesome crimes or amazing trials, intimate chinwags with the stars, and exposés of the horrors lurking in your own home, […]
verb
To chat, to gossip.
I saw the pair of them chinwagging by the water-cooler.
We stamped around to get some circulation into our legs after a stint of three hours in the cold water, had a pull at a bottle of wine, and chinwagged with some of the other fishermen who were clambering out of their waders beside their parked cars.