He came in at 12:00am and said where are my students?
Sporadic means to opposite of frequent and often.
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.
The lackluster battle was punctuated by sporadic mortar fire.
Development over the next few years was very sporadic.
His aim was sporadic and the bullet holes were scattered randomly.
Coil lightings are sporadic.
to be sporadic and without pattern to be sporadic and without pattern
sporadically
Sporadic means not occurring every time - it's a once-in-a-while change.
Nothing
sporadically
No, "sporadic" is not a preposition. It is an adjective that describes something occurring at irregular intervals or scattered in various locations.