Zenith
The zenith is the point in the sky directly overhead — or, figuratively, the highest point of anything.
Full definition of Zenith →:: COMPARE ::
The short answer
Exact opposites on the celestial sphere — zenith directly overhead, nadir directly underfoot. Both are Arabic borrowings (nadir from naẓīr, 'counterpart'), and both carry the same literal-to-figurative extension into 'peak' and 'lowest point'.
Side by side
| Aspect | Zenith | Nadir |
|---|---|---|
| Direction | Overhead | Underfoot |
| From Arabic | samt | naẓīr |
| Figurative | Peak | Low point |
| Relative to | You | You |
What each one means
The zenith is the point in the sky directly overhead — or, figuratively, the highest point of anything.
Full definition of Zenith →The contrast above sets out how Nadir differs from Zenith on the points that actually matter.