Complexity: English Vocabulary List

not easy to understand or analyze

"The system is complex."

"The human brain is an incredibly complex organ that scientists are still trying to fully understand after many years of research."

needing a lot of work or skill to do, understand, or deal with

"The question is difficult."

"The difficult math problem stumped the entire class and even the teacher had to look up the solution in the answer key."

needing little skill or effort to do or understand

"The test is easy."

"The exam was surprisingly easy and most of the students finished early and left the room with smiles on their faces."

easy to comprehend or perform without any difficulties

"The answer is straightforward."

"The instructions for assembling the furniture were surprisingly straightforward, making the process quite simple."

having the simplest form without extra complexity

"The tools are basic."

"The basic course covers the most important topics and is designed for students who have no prior knowledge of the subject at all."

not difficult to understand

"The concept is elementary."

"The elementary school students learned about basic addition and subtraction during their math class this morning with their friendly teacher."

easy to understand

"The explanation was clear."

"The water in the lake was so clear that we could see the fish swimming at the bottom from the surface."

able to be grasped mentally without difficulty

"His reaction is understandable."

"His anger was understandable because someone had stolen his bicycle that he had saved money for months to buy."

clear enough to be easily understood

"The explanation was transparent."

"The transparent windows allowed natural light to fill the room and the workers enjoyed the bright cheerful atmosphere."