The sky was cloudless and the sun shone brightly.

The cloudlessness of the sky made for a perfect day at the beach.

The cloudless sulphur butterfly is a common sight in the summer.

I spotted a cloudless sulfur fluttering in the garden.

Cloudless sulfurs are beautiful butterflies found in tropical regions.

I saw a group of cloudless sulphurs flying in the garden.

The sky was cloudlessly blue.