One entry found for mightily.

Entry Word: mightily
Function: adverb
Text: 1 to a great degree <every volunteer contributed mightily to the cause> -- see VERY 1
2 with great effort or determination <struggled mightily to climb up the steep cliff> -- see HARD 1
3 in a vigorous and forceful manner <it is a foregone conclusion that the president's supporters will mightily applaud virtually every line of his speech> -- see HARD 3