1. reliable and dependable; able to be trusted

1. a prisoner who is given special privileges because of good behavior
Usage: prison context

Examples

• My trusty old car has never broken down on me.
• She carried her trusty notebook everywhere she went.
• The trusty guard dog protected the house all night.
• He was his trusty companion on many adventures.
• The trusty was allowed to work in the prison kitchen.
• As a trusty, he had more freedom than other inmates.