1. having a rough or uneven texture; not smooth or fine
2. lacking refinement or good manners; crude or vulgar
3. composed of large particles or pieces; not finely ground

Examples

• The coarse sandpaper scratched the wood surface.
• She wrapped herself in a coarse woolen blanket.
• His coarse language offended the dinner guests.
• The comedian’s coarse humor wasn’t appropriate for children.
• Add coarse salt to the recipe for better texture.
• The coarse gravel crunched under our feet.
• Her coarse hair was difficult to style smoothly.