1. Introduces a conditional clause
   "I will go to university if I can afford it" 
2. Despite being
   "he's nice, if rather patronizing" 
3. Every time that
   "if I call you are always engaged"
   - whenever, when

Encyclopedia: If

• aniridia
• anise
• anise cookie
• anise hyssop
• anise plant
• anise seed
• anise tree
• anise-scented
• aniseed
• aniseikonia
• aniseikonic
• anisette
• anisette de Bordeaux
• anisocytosis
• anisogamete
• anisogametic
• anisogamic
• anisogamous
• anisogamy
• anisometric
• anisometropia
• anisometropic
• Anisoptera
• Anisotremus
• Anisotremus surinamensis