We use 'complex' to describe something that has many parts or is not simple to understand. It can talk about things or ideas.
This math problem is very complex.
Her ideas are complex but clear.
A 'complex' can mean a place with many buildings close together. People often use it for homes, sports buildings, or offices.
I live in a big apartment complex.
The sports complex has many fields.
In psychology, a 'complex' means strong feelings or thoughts that influence how someone acts or feels about themselves.
He has a complex about his height.
Her inferiority complex affects her confidence.
'Complex' means many buildings joined together for one use, like work or learning.
The company has a large industrial complex.
The school complex includes two buildings.
In chemistry, a 'complex' is a group of atoms or molecules joined together, often with metal ions connected to others.
This metal forms a complex with water molecules.
The chemical complex is very stable.
'Complex' can mean a word that is formed from combining other words into one new word.
A complex word has two parts together.
English has many complex words.
In deep psychology, a 'complex' is a hidden group of emotions that influence behavior without a person knowing it.
Jung described the mother complex in his theory.
The artist's work reveals a father complex.
