What does vacant mean? No one lived in the old house. The paint was peeling and the yard was overgrown. It had been vacant for a long time.
Empty
What does attentive mean? Amelia rarely paid attention in class. By contrast, her best friend Tasha was always very attentive and listened carefully to everything the teacher said.
Focused
What does essential mean? You must never explore a cave by yourself. It is essential for you to go with at least one other person.
Very important