The word "erratic" is an adjective used to describe a noun as irregular, unsteady, random; prone to unexpected changes.
Example uses:
The patient has an erratic heartbeat.
The receptionist gave erratic and misleading directions to the patient.
The unbalanced mind uses erratic logic.
His erratic behavior was a concern to the other students.
Springtime temperatures are often erratic, it's cold one minute and warm the next.
Students who have an erratic attendance record may find themselves disciplined by the principal.
Sporadic means not occurring every time - it's a once-in-a-while change.
stipulative definition is stipulative definition
the two types of definition are the formal and informal definition.
definition feasible region definition feasible region
What is the definition of scissors?
The lackluster battle was punctuated by sporadic mortar fire.
to be sporadic and without pattern to be sporadic and without pattern
His aim was sporadic and the bullet holes were scattered randomly.
Shopping without a list may only fulfill sporadic needs. My sporadic shopping helps me to buy in bulk.
We huddled in our trenches, listening to sporadic enemy gunfire.
sporadically
Sporadic means not occurring every time - it's a once-in-a-while change.
sporadically
Nothing
He came in at 12:00am and said where are my students?
No, "sporadic" is not a preposition. It is an adjective that describes something occurring at irregular intervals or scattered in various locations.
Whatever I say it is