in a grave and sober manner; "he walked soberly toward
the altar" Synonym(s):gravely, soberly, staidly
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" Synonym(s):badly, severely, gravely, seriously
From Webster's Revised Unabridged Dictionary (1913) [web1913]: