complex
Definitions
Consisting of many different and connected parts.
Not easy to analyze or understand; complicated or intricate.
A group or system of different things that are linked in a close or complicated way.
Examples
The math problem was so complex that it took the entire class an hour to solve.
Human emotions are often too complex to be described in a single word.
The architect designed a complex structure that features many interconnected levels.
Synonyms
complicated intricate elaborate involved knotty tangled multifaceted