Synonyms of mightily in English:


See US English definition of mightily

See UK English definition of mightily

See Spanish definition of enormemente


1‘he is a mightily impressive election campaigner’

extremely, exceedingly, enormously, vastly, immensely, tremendously, hugely, markedly, remarkably, abundantly
awfully, dreadfully
very, very much, most, to a great extent
informal majorly, mega, oh-so
informal, dated devilish
North American informal mighty, plumb

2‘Ann and I laboured mightily to no avail’

strenuously, energetically, powerfully, heavily, hard, with all one's might, with might and main, all out, heartily, vigorously, with vigour, forcefully, with force, forcibly, with great effort, fiercely, intensely, eagerly, industriously, diligently, assiduously, conscientiously, enthusiastically, sedulously, with application, earnestly, with perseverance, persistently, indefatigably
informal like billy-o, like mad, like crazy
informal, humorous bigly