1. occurring at irregular intervals or only in a few places; scattered or isolated

Examples

• There were sporadic outbreaks of violence throughout the city.
• The patient experienced sporadic chest pain over several weeks.
• Sporadic rainfall made farming difficult in the region.
• She made sporadic attempts to learn the piano but never stuck with it.
• The old radio picked up only sporadic signals from distant stations.
• Sporadic applause interrupted the speaker’s presentation.