✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

mighty

1 of 2

adjective

mightier; mightiest
Synonyms of mightynext
1
: possessing might : powerful
a mighty empire
2
: accomplished or characterized by might
a mighty thrust
3
: great or imposing in size, degree, or extent : extraordinary
made a mighty effort

mighty

2 of 2

adverb

informal : extremely, very
a mighty handy gadget
Using Mighty as an Intensive: Usage Guide

Mighty used as an intensive usually conveys a folksy down-home feeling.

plain and simple fare … but mighty filling and mighty satisfying Asheville (N.C.) Citizen-Times

It is used especially to create a chatty style

turnip greens, corn bread and biscuits. That sounds mighty good to me Julia Child

or to stress a rural atmosphere.

a man must be mighty serious about his squirrel hunting Stuart Williams, Field & Stream

In a more formal context, mighty is used to create emphasis by drawing attention to itself.

the chairman made sure that there were mighty few of them Mollie Panter-Downes

Examples of mighty in a Sentence

Adjective The barbarians faced a mighty army. the decline of a mighty empire With a mighty leap, he jumped across the stream. A mighty famine devastated the land. It took a mighty effort to get everything done on time. Adverb Your father and I are mighty proud of you. That was a mighty tasty dinner. He made the offer mighty appealing. She has some mighty important decisions to make. It sure was mighty cold last night. We're mighty glad to be here.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Samsonite Underseat Carry-on This underseat carry-on is small but mighty, sliding neatly into tight cabin spaces while still holding your essentials like a champ. Chaise Sanders, Travel + Leisure, 4 Dec. 2025 Mayer supplied the mighty riff that propels the tune. Sarah Rodman, Entertainment Weekly, 4 Dec. 2025
Adverb
Bradley Beal is out for the year and John Collins hasn’t made a meaningful impact, while Norman Powell thrives in Miami; Brook Lopez looks mighty old at backup center; and Chris Paul hasn’t even been an everyday rotation player in his final season. Bennett Durando, Denver Post, 30 Nov. 2025 Yes, Self was mighty pleased with the Jayhawks, who improved to 6-2 after beating Notre Dame, Syracuse and Tennessee in successive days here in Nevada. Kansas City Star, 26 Nov. 2025 See All Example Sentences for mighty

Word History

First Known Use

Adjective

before the 12th century, in the meaning defined at sense 1

Adverb

14th century, in the meaning defined above

Time Traveler
The first known use of mighty was before the 12th century

Cite this Entry

“Mighty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mighty. Accessed 8 Dec. 2025.

Kids Definition

mighty

1 of 2 adjective
mightier; mightiest
1
: having might : powerful, strong
a mighty army
2
: done by might : showing great power
mighty deeds
3
: very great
a mighty famine
mightiness noun

mighty

2 of 2 adverb
: very entry 2 sense 1, extremely
mighty proud of you

More from Merriam-Webster on mighty

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!