Example of Super cooled liquid ? Glass
Liquid have the characteristic property i.e., the tendency to flow. Fluidity is the property of glass in which it resembles to liquid, it flows very slowly.
Glass panes fixed to doors or windows of old building are invariably found to be slightly thicker at the bottom than the top. This is because the glass flows down very slowly and makes the bottom portion slightly thicker. So glass is considered as supercooled liquid.