1. Resembling or characteristic of Atlas (a Titan in Greek mythology); exceptionally strong or supportive
   "The Atlantean pillars held up the massive stone roof"
    
2. Of or relating to Atlantis, the legendary lost island civilization
   "Many people are fascinated by Atlantean myths and legends"
    
3. Relating to or characteristic of Atlantis or its inhabitants
   "Atlantean architecture was said to be highly sophisticated"

1. An inhabitant of the mythical land of Atlantis
   "Ancient texts describe Atlanteans as an advanced civilization"
    
2. The language supposedly spoken by the inhabitants of Atlantis

Derived forms: Atlanteans

Encyclopedia: Atlantean