Sunday best
Sunday clothes

The sidewalk cafes were always full of people in their best Sunday clothes.

In any case, most games were taboo whilst wearing your Sunday clothes.

When Step got up at eight o'clock, he found the children already dressed in their Sunday clothes, eating breakfast.

He was a small thin nervous guy in Sunday clothes who had come in at short notice to meet with them.

We all put on our Sunday clothes, jammed into the pickup truck, and headed for the library.

She clung to the ridiculous effect of his stiff, Sunday clothes.

Mary got your Sunday clothes ready, and everybody's been fretting about you.

Dressed in Sunday clothes, the visitors stood unselfconsciously among the plantation's blacks who filled the rest of the room.

No matter that I'm dressed up in my Sunday clothes.

He made them put on their Sunday clothes.