Literal meaning:
* The old tree had a hollow trunk where birds liked to nest.
* The sculptor carved a hollow space inside the wooden figure.
* The ceramic bowl was hollow and light, perfect for holding fruit.
Figurative meaning:
* Her laughter felt hollow after the news of his passing.
* The promises of the politician were hollow and meaningless.
* His victory felt hollow because he knew he hadn't truly earned it.
Other uses:
* The sound of the wind whistling through the hollow of the mountain was eerie.
* The abandoned house stood hollow and silent on the hill.
* He felt a hollow ache in his chest, a deep sense of loneliness.