NSW Opportunity Class
Erratic
adjective/ih-RAT-ik/
Not regular or predictable; changing in a way that has no clear pattern.
In contextHis erratic marks jumped from high to low all term.
Remember it
Erratic shares its root with 'error' and 'erra' (wander) — it wanders about unpredictably.
Use it well
Use for behaviour, results, or movement that changes with no steady pattern.