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

Both players have been mightily disappointing thus far. —Zach Pressnell, MSNBC Newsweek, 30 June 2025

Global financial hubs like New York and London, both tied for No. 50 out of 69, struggle mightily, with most major cities in emerging markets performing even worse. —Greg McKenna, Fortune, 27 June 2025

Richardson can play off the ball in Orlando because Franz Wagner and Paolo Banchero have the rock, and his ability to knock down shots will be a big help to an Orlando team that struggled mightily from outside a year ago. —Sam Vecenie, New York Times, 26 June 2025

Michael Conforto might be struggling mightily this season after signing for $17 million this winter. —Jack Harris, Los Angeles Times, 25 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