The fire spread, and the garage became fully involved.
An example of something involved is a science experiment with dozens of necessary steps; an involved experiment.
An example of someone involved is a person who is on a sports team.
An example of involved are two people who are dating; an involved relationship.
He was involved in the club for three years.
When the family wrapped up my father's will, no one tried to make me feel involved.
The explanation involved potatoes, squirrels, and race cars.
The involved procedure of getting a license.
Involved in a conspiracy.