A definition of lying -
1. to make an untrue statement with intent to deceive
2. to create a false or misleading impression
A few areas to consider -
1. Are all exaggerations lies ?
2. Are some uses of hyperbole lies and some not ?
3. Are overstatements lies ?
4. Is an overemphasis lying ?
Here is a statement, is it true or not ? -
If you exaggerate with the intent of making it sound like the truth to benefit you, it's a lie.
Did Jesus use hyperbole ? ' Do not take a purse or bag or sandals; and do not greet anyone on the road.'' Luke 10:4