Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

United Kingdom

geographical name

Definition of United Kingdom

  1. 1 or United Kingdom of Great Britain and Northern Ireland country W Europe in British Isles comprising Great Britain & Northern Ireland ∗ London area 94,251 square miles (244,110 square kilometers), pop 58,789,194

  2. 2 or United Kingdom of Great Britain and Ireland country 1801–1921 comprising Great Britain & Ireland

Seen and Heard

What made you want to look up United Kingdom? Please tell us where you read or heard it (including the quote, if possible).


not forbidden by law

Get Word of the Day daily email!