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

Those moments give voice —their own — to the people who figure mightily into Bamford’s comedy. —Lisa Kennedy, Variety, 30 Jan. 2026

But Manchester United’s victories over Manchester City and Arsenal, in Michael Carrick’s first two games in charge, have been mightily impressive. —Oliver Kay, New York Times, 30 Jan. 2026

Darnold was the third overall pick in the 2018 NFL Draft, but struggled mightily in three seasons with the Jets. —Pete Grathoff, Kansas City Star, 27 Jan. 2026

The Patriots’ rookie left tackle struggled mightily against the Texans’ talented pass rush, allowing two sacks and four pressures in his team’s snowy win at Gillette Stadium. —Zack Cox, Boston Herald, 22 Jan. 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