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

Campbell, who signed an eight-year, $60 million this spring, has struggled mightily since the end of April, hitting just .159 over the past month-plus. —Noah Camras, MSNBC Newsweek, 19 June 2025

Ballot box aside, Canada Post has struggled mightily financially in recent years, which has led to some of the changes that the CUPW has railed against. —Glenn Taylor, Sourcing Journal, 13 June 2025

Garett, always a force on the football field, struggled mightily. —Troy Renck, Denver Post, 10 June 2025

Wade was designated for assignment on Wednesday as the Giants sought a roster shakeup with their offense struggling mightily. —Michael Nowels, Mercury News, 9 June 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