1. small lumps or bumps on a surface
2. the central or essential points of something
Usage: informal
3. small pieces or fragments

Examples

• The fabric had small nubs that made it feel rough.
• She got to the nubs of the problem quickly.
• The sweater was covered in little nubs after washing.
• He explained the nubs of the theory in simple terms.
• The carpet had nubs of different colors woven throughout.
• The main nubs of the argument were easy to understand.