wet sand verb5 •To sand using extremely fine-grained sandpaper, using a lubricant such as water or oil to prevent the sandpaper from clogging.After the third or fourth spraying session (about 10 coats of lacquer), and after the finish has cured for at least 48 hours since the last spraying session, you can begin to wet sand the finish. — 2003 •To smooth damp material using a sponge.Patching material for drywall, plaster, and wood can be wet sanded using sponges (see Figure 11.4). — 1996 •To sand with fine-grained sandpaper and lubricant.I applied additional coats as needed and wet-sanded it smooth. — 1998 •To smooth with a sponge.AFTER DRYING, the first coat can be wet-sanded with a damp sponge, and then a finish coat is brushed on. — 1977 •Alternative form of wet sand. formswet sanded · wet-sanded · wet sanding · wet-sanding · wet sands · wet-sands