Meaning & Definition
noun
A group of similar things or related parts; a system.
The housing complex includes several apartment buildings and recreational areas.
A psychological condition characterized by obsessive thoughts or behaviors around a specific idea, often irrational.
She has a complex about her appearance, feeling that she is never good enough.
adjective
Consisting of many different and connected parts; not easy to analyze or understand.
The human brain is a complex organ with many interconnected functions.
Complicated or intricate in nature.
The instructions for assembling the furniture were quite complex.
Etymology
Latin 'complexus', from 'complecti' meaning 'to entwine or embrace'.
Common Phrases and Expressions
complex problem:
A difficult issue that requires significant thought to resolve.
complex structure:
A structure made of interrelated parts that may be difficult to navigate.
social complex:
A group of interrelated social issues or dynamics.
Slang Meanings
A psychological condition regarding feelings of inferiority or superiority.
After failing the exam, he developed an inferiority complex.
A situation that has many layers or aspects to it, often making it hard to understand.
That relationship is so complex; I can't keep track of everything that’s happening.