1. In a grave and sober manner
   - soberly, staidly 
2. To a severe or serious degree
   "is gravely ill"
   - badly, severely, seriously, critically

See also: grave

• whee
• wheedle
• wheedler
• wheedling
• wheel
• wheel and axle
• wheel around
• wheel boot
• wheel bug
• wheel clamp
• wheel horse
• wheel lock
• wheel spoke
• wheel tree
• wheel-like
• wheelbarrow
• wheelbase
• wheelchair
• wheeled
• wheeled vehicle
• wheeler
• wheeler dealer
• Wheeler Peak
• wheelhouse
• wheelie