spasmodically
/spæzˈmɑdɪkli/
adverb
- In a way that happens suddenly, briefly, and irregularly; not steadily or continuously.
- He only worked on his novel spasmodically, writing a few pages every few months.
- The lights flickered spasmodically during the storm.
- The old engine coughed spasmodically before finally starting.
Antonyms