paroxysmal

/ˌpærəkˈsɪzməl/
adjective
  1. Relating to or characterized by sudden, intense outbursts or attacks.
    • Her paroxysmal coughing fits made it hard for her to sleep at night.
    • The patient was diagnosed with paroxysmal atrial fibrillation, a condition causing irregular heartbeats.
    • The storm brought paroxysmal winds that knocked down trees in minutes.
Antonyms
What does "paroxysmal" mean? | whatsthatwordmean | whatsthatwordmean