愚昧[gumai] stupid
三昧[sanmai] samadhi (state of intense concentration achieved through meditation)
無知蒙昧[muchimoumai] unenlightened
あい昧[aimai] vague
曖昧さ[aimaisa] ambiguity

曖昧模糊[aimaimoko] obscure
曚昧[moumai] ignorance
読書三昧[dokushozanmai] being absorbed in reading
刃物三昧[hamonozanmai] (engaging in a) knife fight
贅沢三昧[zeitakuzanmai] indulging in every possible luxury