1. In a rigorous manner
   "he had been trained rigorously by the monks"
   - strictly

See also: rigorous

• skulduggery
• skulk
• skulker
• skulking
• skull
• skull and crossbones
• skull practice
• skull session
• skullcap
• skullduggery
• skunk
• skunk bear
• skunk cabbage
• skunkbush
• skunkweed
• sky
• sky burial
• sky glow
• sky marshal
• sky pilot
• sky wave
• sky-blue
• sky-high
• skybox
• skycap