1. in a state of inactivity or dormancy; at rest
2. causing no trouble or symptoms; not developing or changing
Usage: medical

Examples

• The volcano has been quiescent for over a century.
• During the quiescent period, the patient showed no symptoms.
• The lake remained quiescent in the early morning calm.
• After years of conflict, the region entered a quiescent phase.
• The quiescent tumor required no immediate treatment.
• Stock markets were quiescent during the holiday week.