Definition of "on-duty" []

• Actually engaged in the performance of one's assigned task. (noun)
• Performing or available for duties. Opposite of <ant>off-duty</ant>. (adjective)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "Suit: Minn. cop back from Kuwait fired for trying to reclaim full-time job Police: Dope seeker calls on-duty St. Cloud cop trying to buy pot Opening of Cowles Center for Dance"
• "Regulation of carbon dioxide and other greenhouse-gas emissions by the Environmental Protection Agency Automotive fuel-economy standards for 2017-2025 Requirement that retailers carrying store-brand products report annually whether the goods contain minerals from the Congo Derivatives regulation Reduction of 11-hour driving and 14-hour on-duty periods for truckers Allowing the Consumer Product Safety Commission to post critical reports about products on a public database Write to Elizabeth Williamson at [email protected] and Jonathan Weisman at [email protected]"
• "If you are not on the insider track, there is a high likelihood that you will be subject to some ID checking, queuing, and excruciating sounds of rundown dot-matrix printers at the rental kiosk -- where your experience will almost entirely depend on the mood of the person on-duty."