1. To a high degree or extent; favourably or with much respect
   "highly successful"; "He spoke highly of her"; "does not think highly of his writing"
   - extremely, majorly 
2. At a high rate or wage
   "highly paid workers" 
3. In a high position or level or rank
   "details known by only a few highly placed persons"

See also: high

• checking program
• checklist
• checkmate
• checkout
• checkout counter
• checkout line
• checkout time
• checkpoint
• checkrein
• checkroom
• checkrow
• checksum
• checkup
• cheddar
• cheddar cheese
• cheddar pink
• cheek
• cheek by jowl
• cheek muscle
• cheek pouch
• cheekbone
• cheekily
• cheekiness
• cheekpiece
• cheeky