The word "most alembicated" means overly complicated or excessively intricate, but there are several antonyms or opposite words that describe simplicity or straightforwardness to express the opposite meaning. Some of the antonyms for "most alembicated" are basic, simple, easy, straightforward, plain, uncomplicated, clear, and uncomplicated. These words describe things that are not complex, convoluted, or fancy, but rather easy to understand or do. Using these antonyms, we can create sentences like "The instructions for assembling the furniture were straightforward and easy to understand" or "His writing style was plain and simple, making it accessible to a wider audience.