Persistent

English

Adjective

persistent

1. Obstinately refusing to give up or let go
   • She has had a persistent cough for weeks
2. Insistently repetitive
   • There was a persistent knocking on the door
3. Indefinitely continuous
   • There have benn persistent rumours for years
4. (botany) Lasting past maturity without falling off
   • Pine cones have persistent scales