What is an antonym for complicated?

Here are some antonyms for complicated, depending on the context:

General Antonyms:

* Simple

* Easy

* Straightforward

* Clear

* Uncomplicated

* Basic

* Elementary

* Rudimentary

More Specific Antonyms:

* Streamlined (for processes or systems)

* Straightforward (for instructions or explanations)

* Direct (for communication)

* Unpretentious (for design or style)

* Uncluttered (for space or appearance)

The best antonym for "complicated" will depend on the specific situation and what aspect of complication you want to emphasize.