Imperial carries the implication of royalty, usually pertaining to an empire; the emperor or empress is referred to as "your imperial highness."

The word imperial has a lofty feel, and though it's often used of royalty, it is sometimes used to refer to anything extremely large or impressive. It was once the name of a large suitcase that was too big to fit inside a coach and so was tied on top. Think of something imperial as being something so upper-class that it's almost to the point of royalty — and sometimes almost to the point of being a joke.

Definitions of imperial
  1. adjective
    relating to or associated with an empire
    imperial colony”
    “the imperial gallon was standardized legally throughout the British Empire”
  2. adjective
    befitting or belonging to an emperor or empress
    imperial palace”
  3. adjective
    belonging to or befitting a supreme ruler
    “golden age of imperial splendor”
    synonyms: majestic, purple, regal, royal
    of or belonging to or constituting the hereditary aristocracy especially as derived from feudal times
  4. noun
    a small tufted beard worn by Emperor Napoleon III
    synonyms: imperial beard
    see moresee less
    type of:
    beard, face fungus, whiskers
    the hair growing on the lower part of a man's face
  5. adjective
    of or belonging to the British Imperial System of weights and measures
  6. noun
    a piece of luggage carried on top of a coach
    see moresee less
    type of:
    baggage, luggage
    cases used to carry belongings when traveling
Word Family
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