clearcoat noun 1verb 1forms 3 noun1 •A (usually glossy and durable) transparent coat sprayed over the pigmented coats of a paint job or similar coating.This car has an excellent clearcoat. It's very tough and scratch-resistant.I sprayed a clearcoat over her pastel drawing, so it ought to last many years without smudging. verb1 •To apply a clearcoat.I clearcoated her pastel drawing, so it ought to last many years without smudging.A: What job are you on this week? B: They've got me clearcoating. I'm good at clearcoating without getting any runs, so Bill will probably keep me on it. formsclearcoated · clearcoating · clearcoats