1. Period when something or someone is attacked or criticized without restraint 
2. Period of the year during which game can be hunted without restriction

Derived forms: open seasons

• founder member
• foundering
• founding
• founding father
• foundling
• foundling hospital
• foundress
• foundry
• foundry proof
• fount
• fountain
• fountain grass
• Fountain of Youth
• fountain pen
• fountainhead
• Fouquieria
• Fouquieria columnaris
• Fouquieria splendens
• Fouquieriaceae
• four
• four flush
• Four Horsemen
• Four Hundred
• four o'clock
• four times