Main entry: simple, elementary, unproblematic, uncomplicated
Definition: easy and not involved or complicated
Usage: an elementary problem in statistics; elementary, my dear Watson; a simple game; found an uncomplicated solution to the problem
Main entry: elemental, elementary, primary
Definition: of or being the essential or basic part
Usage: an elementary need for love and nurturing
Main entry: elementary
Definition: of or pertaining to or characteristic of elementary school or elementary education
Usage: the elementary grades; elementary teachers