1. The hour after midnight, when witches and other supernatural beings were thought to be active

Encyclopedia: Witching hour

• inquisitory
• inquorate
• INR
• inro
• inroad
• inrush
• INS
• ins and outs
• insalubrious
• insalubriousness
• insalubrity
• insane
• insane asylum
• insanely
• insaneness
• insanitary
• insanitation
• insanity
• insanity plea
• insatiability
• insatiable
• insatiableness
• insatiably
• insatiate
• inscribe