elementary
Definitions
Relating to the basic or fundamental principles of a subject.
Simple or straightforward; easy to understand or perform.
Relating to the simplest or most essential components of something.
Examples
It is an elementary mistake that could have been easily avoided.
She decided to enroll her son in an elementary school near their new home.
The solution to the puzzle was quite elementary once he understood the underlying pattern.
Synonyms
basic fundamental simple primary rudimentary essential introductory
Antonyms
complex advanced complicated difficult intricate elaborate sophisticated