Complex: meaning, definitions and examples

This term is used to describe something that consists of many different and connected parts, often in a technical or scientific context.

• The human brain is a highly complex organ.
• The engineering project was fascinating but incredibly complex.

This word is often used to describe something that is difficult to understand or deal with due to its many interconnected elements. It carries a slightly negative connotation when referring to situations that are unnecessarily difficult.

• Their relationship became very complicated after the incident.
• Filling out these forms can be quite complicated.

Use 'intricate' to describe something very detailed and containing many small, interconnected parts, often with a sense of artistry or craftsmanship.

• The artist created an intricate pattern on the vase.
• She wore a dress with an intricate lace design.

This word describes something that requires a lot of time, effort, or attention because it includes many detailed steps or parts. It often implies a process that is lengthier or more demanding than normal.

• The legal case was very involved and lasted several years.
• Cooking this dish is quite involved, as it requires multiple stages of preparation.

When referring to something that is made up of many interconnected parts, or something that is difficult to understand due to its many components.

• The human brain is a highly complex organ.
• The city’s transportation system is quite complex.

Appropriate when discussing a system of interconnected people or things, or when referring to channels of communication, transportation, or computer systems.

• She has built a strong professional network over the years.
• The internet is a global network of computers.

Best used when referring to a small, close group of similar items, objects, or people that are gathered together.

• A cluster of grapes hung from the vine.
• The stars formed a beautiful cluster in the night sky.

Useful when talking about a large and organized collection of similar items, often in a technical or scientific context.

• The scientist examined an array of bacterial cultures.
• She displayed an array of colorful fabrics at the market.