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Perseid
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perseverance
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persevere
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persistent

per·sist·ent [ pər sístənt ]


adjective 
Definition:
 
1. continuing despite problems: tenaciously or obstinately continuing despite problems or difficulties

2. incessant or unrelenting: existing or continuing for an unpleasantly long time

3. botany persisting beyond maturation: describes a plant part such as a scale on a pine cone that lasts beyond maturity without falling off

4. zoology sustaining continual growth: describes a body part such as a tooth that grows throughout life

5. ecology environment able to remain in environment: describes a chemical or a living organism that remains in the environment for months or years, usually because of resistance to attack by oxygen, light, and microorganisms


per·sist·ent·ly adverb
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