adv. 25B6; adverb
we heartily welcome the changes : WHOLEHEARTEDLY, sincerely, genuinely, warmly, profoundly, with all one's heart; eagerly, enthusiastically, earnestly, ardently.
they were heartily sick of her : VERY, extremely, thoroughly, completely, absolutely, really, exceedingly, immensely, most, downright; N. Amer. quite; informal right, seriously; Brit. informal jolly, dead, well; N. Amer. informal real, mighty.