1. containing or resembling dross; full of impurities or waste matter
Usage: literal use, often technical or metallurgical
2. of poor quality; worthless or trivial
Usage: figurative use

Examples

• The drossy metal had to be refined before it could be used in manufacturing.
• Critics dismissed the film as drossy entertainment with no artistic merit.
• The drossy byproducts were separated from the pure ore during processing.
• She sifted through the drossy details to find the important information.
• The author's drossy early work showed little promise of his later success.
• Drossy impurities floated to the surface of the molten metal.