mightily

adverb

might·​i·​ly ˈmī-tə-lē 

1

: in a mighty manner : vigorously

applauded mightily

2

: very much

depressed me mightily

Synonyms

• extremely
• terribly
• very
• incredibly
• too
• badly
• greatly
• highly
• severely
• damned
• so
• desperately
• damn
• really
• wildly
• heavily
• intensely
• seriously
• far
• immensely
• much
• especially
• that
• jolly
• fiercely

Examples of mightily in a Sentence

They contributed mightily to the cause.

She struggled mightily to read his handwriting.

The soldiers fought mightily before finally surrendering.

Recent Examples on the Web

Millions of Americans are struggling mightily in the face of stubborn inflation, high interest rates, a difficult job market and overall economic uncertainty—and tough times often force tough decisions. —Kate Plummer, MSNBC Newsweek, 17 Sep. 2025

For someone who loves being a dad, Hayes is trying mightily to adjust to it all. —Nancy Kruh, PEOPLE, 16 Sep. 2025

And the appropriately off-kilter, kinetic cinematography from Jo Willems and the unsettling decades-blending production design from Nicolas Lepage contribute mightily as well. —Randy Myers, Mercury News, 12 Sep. 2025

Successful as a top set-up reliever for Clase the past two seasons, Smith has struggled mightily in his closing opportunities. —Bernie Pleskoff, Forbes.com, 9 Sep. 2025

Word History

First Known Use

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

Rhymes for mightily

• vitally

Kids Definition

mightily

adverb

might·​i·​ly ˈmīt-ᵊl-ē 

1

: in a mighty manner : vigorously

fought mightily

2

: very much

contributed mightily to the cause