His aim was sporadic and the bullet holes were scattered randomly.
We huddled in our trenches, listening to sporadic enemy gunfire.
Shopping without a list may only fulfill sporadic needs. My sporadic shopping helps me to buy in bulk.
He came in at 12:00am and said where are my students?
Development over the next few years was very sporadic.
to be sporadic and without pattern to be sporadic and without pattern
Sporadic means not occurring every time - it's a once-in-a-while change.
sporadically
No, "sporadic" is not a preposition. It is an adjective that describes something occurring at irregular intervals or scattered in various locations.
sporadically
Nothing
Bernt Maehlum has written: 'The sporadic E auroral zone' -- subject(s): Auroras, Sporadic E (Ionosphere) 'Small scale structure and drift in the sporadic E layer as observed in the auroral zone' -- subject(s): Auroras, Sporadic E (Ionosphere), Ionospheric radio wave propagation