His behavior was a clear example of lunacy.

The soft music helped to lull the baby to sleep.

I stayed up late to watch the lunar eclipse.

I need to pack my luggage for the trip.

The lumberjack walked through the forest, his heavy boots thudding on the ground.

She sang a beautiful lullaby to her baby every night.

I had a delicious luncheon with my colleagues.

The lunar month is approximately 29.5 days long.

He has a problem with his lung.

I usually have a sandwich at lunchtime.