sporadique betyder på engelska

sporadic▼◼◼◼(rare and scattered in occurrence)
adjective
[UK: spə.ˈræ.dɪk] [US: spə.ˈræ.dɪk]Sporadic gunfire was heard in the distance. = Des coups de feu sporadiques ont été entendus au loin.

fitful▼◼◻◻(characterized by sudden bursts of activity with periods of inactivity in between, see also: intermittent; irregular)
adjective
[UK: ˈfɪt.fəl] [US: ˈfɪt.fəl]