undersecretary
n. countable C1 Advanced US //ˌəndɝˈsɛkɹɪˌtɛɹi// UK //ˌʌndəsˈɛkɹətɹˌi// un·der·sec·re·tary
n. a high-ranking official who helps a minister or secretary in a government department. This person is usually the second-in-command and manages the daily work of the office.
n. a high-ranking administrative official who serves as the deputy to a minister or secretary in a government department. Often responsible for the day-to-day operations and policy implementation within the ministry.
The undersecretary manages the daily operations of the department.
After the minister resigned, the undersecretary took over the lead role in the cabinet meeting.
The undersecretary of state for economic affairs played a pivotal role in negotiating the trade agreement, acting as the primary liaison between the two delegations during the final week of talks.