1. not processed or purified; in a natural or crude state
2. lacking good manners, education, or sophistication; coarse

Examples

• The unrefined sugar still contained molasses and had a brown color.
• Crude oil is unrefined petroleum that must be processed at refineries.
• His unrefined manners made him unsuitable for the diplomatic position.
• She found his unrefined speech patterns difficult to understand.
• The unrefined flour contained bits of wheat bran and germ.
• Despite his wealth, he maintained unrefined habits from his childhood.
• The restaurant served unrefined sea salt with the bread.