sporadically
/spəˈradɪk(ə)li
/adverb
Occasionally or at irregular intervals: he worked sporadically at part-time jobs the comedy is only sporadically funny...
- He sporadically thinks of the possibility of a pardon.
- Sporadically published, its sixth issue came out last month.
- This view was sporadically applied to artists in the 16th century.