rocket science

English

Noun

rocket science (uncountable)

  1. The science or study of rockets and their design.
  2. (idiomatic) Anything overly complex, detailed or confusing.
    It's not rocket science. Just screw in the bulb and flip the switch.

Usage notes

(anything overly complex, detailed or confusing): This phrase is usually used in a negative comparison, as in the example above (not rocket science) to show that something is (or should be) simple, straightforward, or obvious.

Synonyms

Translations

See also
  • (anything overly complex, detailed or confusing): no-brainer (idiom)

(the study and science of rocketry):

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