What is the definition of sporadic?

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.

• describes the noun "heartbeat"

The receptionist gave erratic and misleading directions to the patient.

• describes the noun "directions"

The unbalanced mind uses erratic logic.

• describes the noun "logic"

His erratic behavior was a concern to the other students.

• describes the noun "behavior"

Springtime temperatures are often erratic, it's cold one minute and warm the next.

• predicate adjective following the linking verb, restates the subject noun "temperatures"

Students who have an erratic attendance record may find themselves disciplined by the principal.

• describes the compound noun "attendance record"