sporadic

happening or appearing at irregular intervals; not continuous or regular

esporádico, intermitente

• [T + obj]
• [it is T]

Collocations sporadic attacks · sporadic rainfall

• The protests were sporadic and not very effective.

  Las protestas fueron esporádicas y no muy efectivas.

occurring in a way that is not predictable or planned; irregular and unpredictable

irregular, impredecible

• [T + obj]
• [it is T]

Collocations sporadic outbreaks of violence · sporadic interruptions

• There have been sporadic outbreaks of violence in the city.

  Ha habido brotes esporádicos de violencia en la ciudad.