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

When a bullpen struggles as mightily as the Cubs’ has of late, these questions have to be asked. — Sahadev Sharma, New York Times, 11 Sep. 2026

Cradle to the grave this is not, but the film still succeeds mightily when contextualizing Heumann’s role in the disability rights movement and her singularity as a true American original. — Kate Erbland, IndieWire, 10 Sep. 2026

No, multiple academics have attempted to decipher the meaning behind the mightily adorable meow of the domestic house cat. — Todd Martens, Los Angeles Times, 9 Sep. 2026

As Steinberg said, Tucker has struggled mightily in his first season after signing a four-year, $260 million contract. — Ryan Canfield Outkick, FOXNews.com, 8 Sep. 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