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

• generator
• generic
• generic drug
• generic noun
• generic wine
• generically
• generosity
• generous
• generously
• generousness
• genesis
• genet
• genetic
• genetic abnormality
• genetic code
• genetic constitution
• genetic counseling
• genetic counselling
• genetic defect
• genetic disease
• genetic disorder
• genetic endowment
• genetic engineering
• genetic fingerprint
• genetic fingerprinting