/hahr"tl ee/ , adv.
1. in a hearty manner; cordially: He was greeted heartily.
2. sincerely; genuinely: He sympathized heartily with their plight.
3. without restraint; exuberantly; vigorously: They laughed heartily.
4. with a hearty appetite: The campers ate heartily.
5. thoroughly; completely: I'm heartily sick of your complaining.
[ 1250-1300; ME hertili. See HEARTY, -LY ]