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

Carving a middle path between these two extremes will be mightily hard. — The Week Uk, TheWeek, 22 Aug. 2026

Wiggins has been working in relief of late and has looked better after struggling mightily since returning as a starter post-injury. — Sahadev Sharma, New York Times, 21 Aug. 2026

What’s more, the Dodgers have struggled mightily to hit fastballs. — Los Angeles Times, 11 Aug. 2026

Emmett Sheehan, after a breakout 2025, had struggled mightily in recent starts, and the injuries had forced LA to turn to journeyman Eric Lauer. — Ian Miller Outkick, FOXNews.com, 6 Aug. 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