It was at the same time a highly polished and determinedly casual affair.

For a more casual affair, use ordinary chestnut mushrooms mixed with a punnet of shiitake or the less expensive oyster mushrooms.

It can be daunting to break out the glitz for a casual affair, but sequins gain a more knowing edge when dressed down.

Unlike in present day, the event was not seen as a casual affair.

The entrance of the band onto the stage, heretofore a casual affair, was now elaborate and stylized.