1. Not deciphered
   "Linear A is still undeciphered"

Antonym: deciphered

• overclothes
• overcloud
• overcoat
• overcoating
• overcome
• overcomer
• overcompensate
• overcompensation
• overconfidence
• overconfident
• overcook
• overcredulity
• overcredulous
• overcritical
• overcrop
• overcrossing
• overcrowd
• overcultivate
• overcup oak
• overcurious
• overdelicate
• overdevelop
• overdo
• overdog
• overdone