1. took apart or demolished (a structure or machine) piece by piece
Usage: past tense and past participle of dismantle
2. gradually destroyed or eliminated (a system or organization)
Usage: past tense and past participle of dismantle

Examples

• The workers dismantled the old playground equipment.
• She carefully dismantled the computer to repair it.
• The government dismantled the corrupt agency.
• They dismantled the tent after the camping trip.
• The factory was dismantled and sold for parts.
• The new administration dismantled several environmental regulations.