1. Stupidity.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• Acynesia,
• zsynesia,
• ssynesia,
• wsynesia,
• qsynesia,
• aaynesia,
• azynesia,
• axynesia,
• adynesia,
• aeynesia,
• awynesia,
• asynezia,
• asynessia,
• asyneasia,
• asyneesia,
• asynsia,
• asinasia,
• asyanasia,
• asyneisia,
• asynseasia

The plural of the "asynesia" can be the "asynesias".

The singular of the "asynesia" can be the "asynesia".