Inconsequential conversation "they traded a few nothings as they parted"
Noun: nothingnúthing
A quantity of no importance "it looked like nothing I had ever seen before" - nil, nix, nada, null, aught [archaic], cipher, cypher, goose egg, naught [N. Amer], zero, zilch, zip, zippo [N. Amer]
Type of: conversation, relative quantity
Encyclopedia: Nothing, AZ Nothing Nothing, Nowhere Nothing, Arizona