1. not examined, filtered, or checked for suitability
2. not protected by a screen or barrier

Examples

• The company hired unscreened employees without background checks.
• Unscreened phone calls kept interrupting the meeting.
• The unscreened porch was full of mosquitoes in summer.
• Medical volunteers worked with unscreened blood donations.
• The unscreened window let in dust and insects.
• Unscreened applicants flooded the job fair.
• The balcony remained unscreened despite the bug problem.