1. not flowing or moving; motionless
Usage: often used to describe water
2. showing no activity, growth, or development; inactive
Usage: commonly used in economic or business contexts

Examples

• The stagnant pond was covered with algae.
• Mosquitoes breed in stagnant water.
• The economy has been stagnant for months.
• Her career felt stagnant after years in the same position.
• The company’s stagnant sales worried investors.
• The air in the closed room became stagnant and stuffy.