1. Lacking information or instruction
   - unenlightened, naive, naïve

See also: uninformed

• insemination
• insensate
• insensately
• insensibility
• insensible
• insensibly
• insensitive
• insensitively
• insensitiveness
• insensitivity
• insentience
• insentient
• inseparability
• inseparable
• inseparableness
• inseparably
• insert
• insertion
• insertional mutagenesis
• Insessores
• inset
• inshallah
• inshore
• inside
• inside caliper