WordWeb Online

1. Easy and not involved or complicated
   "an elementary problem in statistics"; "elementary, my dear Watson"
   - simple, uncomplicated, unproblematic
    
2. Of or pertaining to or characteristic of elementary school or elementary education
   "the elementary grades"; "elementary teachers"
    
3. Of or being the essential or basic part
   "an elementary need for love and nurturing"
   - elemental, primary

See also: basic, easy, element, elementarily, elementary school

Encyclopedia: Elementary, Dear Data Elementary Elementary, My Dear Watson Elementary, My Dear Turtle