What context can I use each word in?
Learn when and how to use these words with these examples!
complexity
Example
The complexity of the human brain is still not fully understood. [complexity: noun]
Example
The instructions for assembling the furniture were too complex for me to follow. [complex: adjective]
complication
Example
The project faced a major complication when the supplier went bankrupt. [complication: noun]
Example
The surgery had several complications, including bleeding and infection. [complications: plural noun]
Good things to know
Which word is more common?
Complexity is more commonly used in technical or academic contexts, while complication is more commonly used in everyday language, especially in medical or legal contexts.
What’s the difference in the tone of formality between complexity and complication?
Complexity is generally more formal than complication, which is often used in informal or conversational contexts.
