Rupert

//ˈɹupɚt// adj, name, noun, slang

adj, name, noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    A junior army officer. derogatory, slang
Adjective
  1. 1
    Having or relating to the property of being able to pass through a copy of itself. not-comparable

    "A concise way to express that a polyhedron is Rupert is to find two orientations Q and Q of that polyhedron so that π(Q) fits inside π(Q) […] impact the shape of π(Q) are those lying on P, so if P is locally Rupert, Q should be as well. […]"

Proper Noun
  1. 1
    A male given name from the Germanic languages. UK

    "A St Oswald's boy can pass off a name like Orlando, can make it sound like peppermint. Even Rupert sounds somehow cool when attached to a navy-blue St Oswald's blazer."

  2. 2
    A city, the county seat of Minidoka County, Idaho.
  3. 3
    An unincorporated community in Ohio.
  4. 4
    A town in Vermont.
  5. 5
    A town in West Virginia.

Example

More examples

"Rupert chopped down the tree that was in our front yard."

Etymology

A German name, brought to England by Prince Rupert of the Rhine in the seventeenth century. Doublet of Robert. The geometry sense is also a reference to Prince Rupert, who posed the question of whether a cube could be passed through a hole made in another cube of the same size.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.