1. past tense and past participle of monitor; observed, watched, or checked regularly for a particular purpose

Examples

• The patient’s heart rate was monitored throughout the surgery.
• Teachers monitored students’ progress on the standardized tests.
• The security cameras monitored the building entrance all night.
• Scientists have monitored the volcano’s activity for decades.
• Her internet usage was monitored by her parents.
• The company monitored employee productivity using new software.
• Air quality is monitored daily in major cities.