1. Not acknowledging the God of Christianity and Judaism and Islam
   - heathen, pagan, ethnic

See also: irreligious

• inertial reference frame
• inertly
• inertness
• inescapable
• inescapably
• inessential
• inessentiality
• inestimable
• inestimably
• inevitability
• inevitable
• inevitable accident
• inevitableness
• inevitably
• inexact
• inexactitude
• inexactly
• inexactness
• inexcusable
• inexcusably
• inexhaustible
• inexhaustibly
• inexistence
• inexistent
• inexorability