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 dark matter hypothesis remains compelling, valid, and in agreement with the full suite of data, while the alternative — a modification of gravity — struggles mightily to explain even the very first such system ever discovered. —Big Think, 29 Apr. 2026

As the warm weather arrives, the Museum Campus will suffer mightily from congestion, especially the case when big events like Lollapalooza are happening nearby. —The Editorial Board, Chicago Tribune, 29 Apr. 2026

But with the Oilers struggling mightily to stop the fast, exciting Ducks, Knoblauch made the switch and got a solid effort from Jarry, who hadn’t played since April 8. —ABC News, 27 Apr. 2026

Jokic contributed mightily to those struggles, going 7 for 26 from the floor as Gobert again won that individual matchup. —Jace Frederick, Twin Cities, 24 Apr. 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