Frameless window which comprises a transparent pane, the lower edge of which is fixed in the slot of one or more holders by at least one layer of adhesive and is joined to the walls of the slot of the holders by at least two layers of a first adhesive applied close to the lateral ends of the slot, wherein at least one layer of a second adhesive is applied in the slot between the layers of the first adhesive. A process for manufacturing the window is also disclosed.