WordWeb Online

1. Relentless and indefatigable in pursuit or as if in pursuit
   - dogging

1. Continue to exist
   - prevail, die hard, run, endure
    
2. Be persistent, refuse to stop
   "he persisted to call me every night"; "The child persisted and kept asking questions"
   - persevere, hang in, hang on, hold on
    
3. Stay behind
   - remain, stay

See also: continuous, persistence, persistency, persistent, uninterrupted

Type of: bear on, carry on, continue, preserve, uphold

Encyclopedia: Persist