singly

The materials can be used singly or in combination.

They each walked singly along the path.

The books were arranged singly on the shelf.

She handed out the papers singly to each student.

The guests entered the room singly.

The items were priced singly, not as a set.

The students were called up to the stage singly to receive their awards.

The flowers were picked singly from the garden.

The tickets were sold singly, not in pairs.

Each piece of fruit was inspected singly for quality.

The children lined up singly to take turns on the swing.