Complex
Adjective
UK
/ˈkɒm.pleks/
US
/ˈkɑːm.pleks/
Level: Easy - A1 (Beginner)
Definition
Having many parts; not simple; difficult to understand.
Example
"This puzzle is complex."
"The instructions were complex, so I needed to read them several times to understand."
"His feelings about leaving home were complex, combining excitement, fear, and sadness all together."
Explanation
Complex means something that has many parts or is difficult to understand. It is often used when a problem, idea, or system has many connected pieces. For example, a machine with many moving parts can be complex, or a story with many characters and events can be complex. People can also feel complex emotions, like happiness mixed with sadness. The word shows that something is not simple and may take more time or thought to understand or solve.