Definition

1. Noun:
   • The male sovereign ruler of an empire: An emperor is the supreme male monarch who rules over an empire, a political unit comprising multiple territories and peoples, often under a single supreme authority. This title is typically higher in rank than a king.
   • A large, richly colored butterfly: Refers to any of various large, often brightly colored butterflies, especially those of the family Nymphalidae, such as the purple emperor.
   • A large moth of temperate Eurasian forests: Specifically refers to the emperor moth (Saturnia pavonia), characterized by heavily scaled, transparent wings.
   • A red table grape variety from California: A specific cultivar of grape used for eating, known for its red color.

Examples of Usage

• Noun (Ruler):
  • The emperor issued a decree that affected all provinces of his vast empire.
  • Historians studied the reign of the Roman emperor Augustus.
• Noun (Butterfly/Moth):
  • We spotted a magnificent purple emperor fluttering near the oak trees.
  • The emperor moth is known for its distinctive eye-spots on the wings.
• Noun (Grape):
  • These sweet, seedless emperor grapes are perfect for a fruit salad.

Advanced Usage

• "The emperor's new clothes": A phrase originating from a Hans Christian Andersen fairy tale, used to describe a situation where people are afraid to criticize something or point out an obvious truth for fear of appearing stupid.
  • The report was full of flaws, but due to the CEO's enthusiasm, it was a case of the emperor's new clothes; no one dared to criticize it.
• "To meet one's Waterloo" (often associated with Emperor Napoleon): To suffer a final, decisive defeat.
  • After a long winning streak, the chess champion met his Waterloo against the young prodigy.

Variants and Related Words

• Empress (n): The female ruler of an empire or the wife/widow of an emperor.
  • The empress was known for her charitable works.
• Imperial (adj): Relating to an empire or an emperor.
  • The palace was built on an imperial scale.
• Emperorship (n): The office, rank, or period of rule of an emperor.

Synonyms

• Sovereign: A supreme ruler, especially a monarch.
• Monarch: A sovereign head of state, such as a king, queen, or emperor.
• Potentate: A monarch or ruler, especially an autocratic one.

Related Phrases

• Emperor penguin: The largest species of penguin, native to Antarctica ().
  • Emperor penguins huddle together to survive the Antarctic winter.
• Shadow emperor: A person who exercises real power without holding the official title.
  • The general was the shadow emperor, controlling the government from behind the scenes.

Related Idioms

• Nero fiddled while Rome burned: Used to describe someone who is frivolously occupied during an emergency or crisis (Nero was a Roman emperor).
  • The managers were rearranging office furniture while the company was failing—it was like Nero fiddling while Rome burned.

Noun

1. large richly colored butterfly
2. large moth of temperate forests of Eurasia having heavily scaled transparent wings
3. red table grape of California
4. the male ruler of an empire