- The ability to solve difficult problems, often in original, clever, and inventive ways.
- The pyramids demonstrate the ingenuity of the ancient Egyptians.
- Poverty is the mother of ingenuity.
- Ingenuity is one of the characteristics of a beaver.
- (now rare) Ingenuousness; honesty, straightforwardness.
- And therefore I apply my selfe to ingenuitie, and ever to speake truth and what I think […].
ability to come up with solutions to difficult problems