[ mahy-tee ]
See synonyms for: mightymightiest on Thesaurus.com

adjective,might·i·er, might·i·est.
  1. having, characterized by, or showing superior power or strength: mighty rulers.

  2. of great size; huge: a mighty oak.

  1. great in amount, extent, degree, or importance; exceptional: a mighty accomplishment.

  1. Informal. very; extremely: I'm mighty pleased.

nounUsually the mighty .(used with a plural verb)
  1. mighty persons collectively: the rich and the mighty.

Origin of mighty

First recorded before 900; Middle English; Old English mihtig; see might2, -y1

synonym study For mighty

1. See powerful.

Other words for mighty

Opposites for mighty

Other words from mighty

  • might·i·ness, noun
  • o·ver·might·y, adjective
  • quasi-mighty, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use mighty in a sentence

  • Marty said: “The pen is mightier than the sword, and considerably easier to write with.”

    Marty Feldman: Dead Cool | Simon Doonan | November 2, 2009 | THE DAILY BEAST
  • According to the former Speaker of the House, the pen is not mightier than the sword... or an electro-magnetic pulse.

    7 Best Moments From Sunday Talk | The Daily Beast Video | April 5, 2009 | THE DAILY BEAST
  • Tom easily found the mightier scale his aching heart so hungrily desired.

    The Wave | Algernon Blackwood
  • Like the Afreets of the Arabian Nights, they have been mighty slaves, subject to a far mightier master.

    Overland | John William De Forest
  • Public opinion is mightier than Congress; and they who wield or control that do, in reality, bear rule.

British Dictionary definitions for mighty


/ (ˈmaɪtɪ) /

adjectivemightier or mightiest
    • having or indicating might; powerful or strong

    • (as collective noun; preceded by the): the mighty

  1. very large; vast

  1. very great in extent, importance, etc

  1. informal, mainly US and Canadian (intensifier): he was mighty tired

Derived forms of mighty

  • mightiness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with mighty


see high and mighty.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.