- seriously, earnestly, in earnest - in a serious manner; "talking earnestly with his son"; "she started studying snakes in earnest"; "a play dealing seriously with the question of divorce"
Derived from adjective serious1
- badly, severely, gravely, seriously - to a severe or serious degree; "fingers so badly frozen they had to be amputated"; "badly injured"; "a severely impaired heart"; "is gravely ill"; "was seriously ill"
Derived from adjective serious3