intermittent
Definitions
Occurring at irregular intervals; not continuous or steady.
Stopping and starting at intervals; periodic.
Examples
The region has been suffering from intermittent power outages throughout the summer.
After an intermittent period of rain, the sun finally broke through the clouds.
Synonyms
sporadic periodic irregular fitful recurrent occasional episodic
Antonyms
continuous constant steady perpetual ceaseless uninterrupted persistent