1. forcing open (a door, window, etc.) with a crowbar or similar tool
Usage: present participle of jimmy; chiefly British spelling

Examples

• The burglar was caught jemmying the back door.
• Police found evidence of someone jemmying the window.
• He spent ten minutes jemmying the stuck drawer.
• The firefighters were jemmying open the damaged car door.
• She heard someone jemmying the lock downstairs.
• The old chest required careful jemmying to avoid damage.