stagnation

noun4

1. •
   The state of being stagnant; (countable) an instance of this.
2. •
   The state of lacking flow or motion, usually causing a lack of freshness or health; (countable) an instance of this.

   • Factors known to encourage the growth of harmful bacteria inside cooling systems include the stagnation of the water.
3. •
   (figurative) The state of lacking activity, change or progress, or excitement in an unhealthy manner; inactivity, staleness; (countable) an instance of this.

   • The general concern about industrial stagnation inspired an overhaul of the patent system.
4. •
   (figurative) The state of low or no growth in an economy; (countable) an instance of this.