1. Lacking requisite official documentation or endorsement

Antonym: certified

• archaicism
• archaise
• archaism
• archaist
• archaistic
• archaize
• archangel
• archangelic
• archangelical
• archbishop
• archbishopric
• archdeacon
• archdeaconry
• archdiocesan
• archdiocese
• archducal
• archduchess
• archduchy
• archduke
• archean
• Archean aeon
• Archean eon
• arched
• archegonial
• archegoniate