SELF-ADMINISTER Meaning of SELF-ADMINISTER in English ¦ ̷ ̷ ̷ ̷ ˈ ̷ ̷ ̷ ̷ ̷ ̷ transitive verb : to administer to oneself Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012