1. Restricted to something
   "we talked strictly business"
   - purely 
2. In a stringent manner
   - stringently 
3. In a rigorous manner
   - rigorously

See also: strict

Encyclopedia: Strictly

• fevered
• feverfew
• feverish
• feverishly
• feverishness
• feverous
• feverroot
• few
• few-flowered leek
• fewer
• fewest
• fewness
• fey
• feyness
• Feynman
• fez
• ff
• FHA
• FHLMC
• fiacre
• fianchetto
• fiancé
• fiancée
• fiasco
• fiat