…Dreaming of varnishing anything, denotes that you will seek to win distinction by fraudulent means. To see others varnishing, foretells that you are threatened with danger from the endeavor of friends to add to their own possessions….
Dream dictionary: Varnishing dream meanings
…To dream that your house or furniture is being, or has been, newly varnished, is a sign of a funeral; but if you imagine that you are varnishing anything, it merely foretells a loss without a death. Lucky lottery dream numbers – 59, 76….
The one, who varnished in a dream, is afraid of being caught for something he did. Maybe you are afraid to tell the confidential information you have to others. Alternatively, the dream may show how you are trying to fool everyone around you of being somebody else.