Adverbs for Burdensome

unusually; strangely; pitifully; calamitously; disastrously; unfortunately; tragically; gravely; cumbrously; embarrassingly; grievously; financially; socially; intolerably; painfully; increasingly; unnecessarily; inescapably seriously; economically; insufferably; monstrously; really; oppressively; aggravatingly; vexatiously; irritatingly; unequally; unjustly; dangerously; prodigiously; unendurably; dreadfully; terrifically; unduly.