intermittently
adv. freq. C1 Advanced US //ˌɪntɝˈmɪtəntɫi// UK //ˌɪntəmˈɪtəntli// in·ter·mit·tent·ly
adv. happening at different times but not in a regular or continuous way. You use this when something starts and stops repeatedly.
adv. occurring at irregular intervals; not continuous or steady.
It rained intermittently throughout the afternoon.
The old radio worked only intermittently, often losing the signal just as the news began.
The lighthouse beam flashed intermittently through the thick fog, providing just enough guidance for the sailors to navigate the treacherous coastline.
From intermittent + -ly.
Usage
Typically functions as a frequency adverb placed at the end of a clause or before the main verb.