mighty

Something that's mighty is large and powerful. Mighty Mouse is no ordinary mouse; he's a superhero. It's best not to mess with anyone with mighty in their name.

A mighty beast in a fairy tale is ferocious and intimidating, and a mighty power in the business world exerts great influence. Colloquially, you can also use mighty to emphasize something, or to mean "extremely." This informal use is especially common in the U.S. South, where a host might say, "We're mighty glad to have you!" Mighty comes from the Old English root mæht, "strength or power."

Definitions of mighty
  1. adjective
    having or showing great strength or force or intensity
    “struck a mighty blow”
    “the mighty logger Paul Bunyan”
    “"the pen is mightier than the sword"- Bulwer-Lytton”
    Synonyms:
    powerful
    having great power or force or potency or effect
  2. adverb
    (Southern regional intensive) very; to a great degree
    “the baby is mighty cute”
    “he's mighty tired”
    synonyms: mightily, powerful, right
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