Elementary
WordNet
adjective
(1) Easy and not involved or complicated
"An elementary problem in statistics"
"Elementary, my dear Watson"
"A simple game"
"Found an uncomplicated solution to the problem"
(2) Of or being the essential or basic part
"An elementary need for love and nurturing"
WiktionaryText
Adjective
elementary
- Relating to the basic, essential or fundamental part of something.
- Relating to an elementary school.
- Relating to a subatomic particle.