noun
- the central point or most important part of something
- a small lump or chunk
Examples
- The nub of the problem is lack of funding.
- She got to the nub of the issue quickly.
- The nub of his argument was that change is necessary.
- There was a small nub of coal left in the bucket.
- He found a nub of cheese in the refrigerator.
- The pencil was worn down to a nub.