Broody (adjective)

1. Inclined to brood; contemplative; moody; pensive.
2. Having the desire to incubate eggs or hatch young, as certain birds and reptiles.

Origin:

Late 16th century (in the sense "sulky, gloomy"): from brood + -y.

Examples:

1. She was feeling broody and wanted to start a family.
2. The hen was broody and refused to leave the nest.
3. He was in a broody mood, lost in thought.
4. The broody silence was broken by a sudden noise.
5. His broody attitude was making everyone around him uncomfortable.