I was vexed by a most annoyingly persistent young man."You are very persistent in getting an answer to this question."The small business owner was very persistent with their product.
Superlative form.Because persistent is an adjective with more than two syllables use the most to make the superlative form.the most persistent.She is the most persistent woman I have ever met.
DDT is toxic for humans and animals and also is persistent in the environment.
Persistant pesticides last longer than non persistant pesticides. This means that they can build up in animals and humans and cause more damage.
Narcotics
Narcotics
Rats and black ants.
As with people, it is not normal for an animal to have a persistent cough. If an animal coughs occasionally, there's likely nothing to worry about. However, a cough that is "new", frequent, or persistent likely means a visit to (or from) the Vet is in order.
The athlete had a persistent pain in his knee. The persistent residential homeowners were finally allowed to talk with the mayor. Some pesticides remain persistent in the soil for months.
Hopeful, wonderful, persistent, admirable, worthy of all possible support,
persistent pain
VX