mightily

adverb

might·​i·​ly ˈmī-tə-lē 

1

: in a mighty manner : vigorously

applauded mightily

2

: very much

depressed me mightily

Synonyms of mightily

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

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

The Chargers’ offense, already weakened by a series of injuries to its offensive line and receiving corps, struggled mightily, recording their second-lowest output of the season at 259 total yards. — Assistant Sports Editor, Los Angeles Times, 19 Oct. 2026

The Dallas Cowboys are 2-3 as their defense has once again struggled mightily this season. — Ryan Canfield Outkick, FOXNews.com, 18 Oct. 2026

But the difference between this Florida and the one that struggled mightily from deep? — Noah White, Miami Herald, 14 Oct. 2026

The Commanders defense has struggled mightily against tight ends, allowing five touchdowns over their first four games of the 2026 season, so if there were ever a time to start Likely, this is it. — Jonathan Rubin, Charlotte Observer, 7 Oct. 2026

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