Informal a scientist specializing in rocketry: now chiefly a figurative or ironic usage in negative constructions: it doesn't take a rocket scientist to figure this out
- A scientist who specializes in rocketry.
- Informal An extremely intelligent person.
(plural rocket scientists)
- This phrase is usually used in a negative comparison, as in the example above, to show that something is (should be) simple, straightforward, or obvious.