na-adjective
sporadic; intermittent; scattered
Describes events or occurrences that happen irregularly and at scattered intervals, not continuously or predictably.
散発的な雨が一日中降り続いた。
Sporadic rain continued throughout the day.
抗
Protests are occurring sporadically.
Compound of 散発 (さんぱつ, 'scattered occurrence') and the adjectival suffix 的 (てき, '-like'). 散発 itself is from 散 (scatter) and 発 (occur).