simple
Definitions
Easily understood or done; presenting no difficulty.
Plain, basic, or uncomplicated in form, nature, or design.
Having few parts or not complex in structure.
Examples
The instructions for the game are very simple to follow.
Sometimes the best solution to a complex problem is a simple one.
She prefers a simple lifestyle with few material possessions.
Synonyms
easy basic plain uncomplicated straightforward elementary effortless
Antonyms
complex complicated difficult intricate elaborate hard sophisticated