- undercoated, undersealed - (of motor vehicles) having a coating of tar or rubber-based material applied to the underside to retard rusting
Antonym: rusted (indirect, via rustless)
- prime, ground, undercoat - cover with a primer; apply a primer to
--1 is one way to paint
Sample sentences:Derived forms: noun undercoat1, noun undercoat2
They want to undercoat the doors
The men undercoat the boat