interrex

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noun

An official in Ancient Rome who acted as single head of state during the interregnum between two consulates.

OriginLatin inter- →
Scrabble 15
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Meanings

nouninterrex (plural interrexes or interreges)

plural interrexes · plural interreges

  1. historyAn official in Ancient Rome who acted as single head of state during the interregnum between two consulates.
  2. historyAn equivalent regent from the death of a Polish king till the election and enthronement of his successor.
  3. figurativelyA similar interim ruler, CEO, etc.

Origin

  1. Latininter-“between”
  2. Englishinterrex

From Latin inter- (“between”) + rex (“king”).

More words from Latin

Full word history & related roots →

Translations

Ancient Greek μεσοβασιλεύς
  • μεσοβασιλεύς (mesobasileús)official in Ancient Rome
French interroi
  • interroiofficial in Ancient Rome
Latin interrex, interrex
  • interrexofficial in Ancient Rome
  • interrexsimilar interim ruler
Cite this entry
APA

interrex. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/interrex

MLA

“interrex.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/interrex. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “interrex,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/interrex.

Source: interrex on Wiktionary, CC BY-SA 4.0.