time-serving
noun [ U ]
disapproving ukussomeone who is time-serving works in a safe job and is doing as little as possible while waiting for the time that they can retire:
Corrupt time-serving was common at lower levels of the state bureaucracy.
time-serving
adjective [ before noun ]
disapproving ukusworking in a safe job and doing as little as possible while waiting to retire:
Committed, forward-looking professionals had the advantage over their time-serving colleagues.