Refreshed is a term we use to indicate that a starter has been recently fed.
When we say a starter is unrefreshed, we mean it has not recently been fed, that it has missed at least 1 feeding.
Refreshed
Wherefore do ye spend money for that which is not bread? And your labour for that which satisfieth not? Hearken diligently unto me, and eat ye that which is good, and let your soul delight itself in fatness.