1. Not easy to believe
   - incredibly, improbably, unbelievably

See also: implausible

• incapacitated
• incapacitating
• incapacitation
• incapacity
• incarcerate
• incarceration
• incarnadine
• incarnate
• incarnation
• incase
• incased
• incasement
• incaution
• incautious
• incautiously
• plough on
• ploughboy
• ploughed
• ploughing
• ploughland
• ploughman
• ploughman's lunch
• ploughshare
• ploughwright
• Plovdiv