The new policy forced employees to attend the meetings willy-nilly.

Willy-nilly changes to the schedule frustrated everyone.

Willy Wix arrived at the town festival carrying a lantern and a box of old photographs.

Radiologists carefully examined the circle of Willis for signs of aneurysm during the MRI review.

During the lecture, the neurologist explained how the circles of Willis provide collateral blood flow to the brain.

The willie wagtails chased each other across the sunlit pond, their tails flicking like tiny flags.

After months of sleep disruption and nightly restlessness, she was finally diagnosed with Willis-Ekbom disease and began a treatment plan to ease the unpleasant sensations in her legs.

After months of testing, doctors concluded that his constant hunger and developmental delays were caused by Prader-Willi syndrome.

She was the williest of the group, always finding the cleverest way to turn a situation to her advantage.