complex
Upper-Intermediate (B2)
IPA: /ˈkɒmplɛks/
KK: /ˈkɒmplɛks/
adjective
Definition
Made up of many different parts that are connected or related to each other, making it difficult to understand or analyze.
Example
The project was complex, requiring input from multiple teams and experts.
Conversation
I was reading about how complex the human brain is.
Yeah, it's fascinating how many parts work together.
Exactly! It's more complex than I ever imagined.
Totally! Understanding it feels like solving a puzzle.
Synonyms & Antonyms
Synonyms
intricate
complicated
composite
Antonyms
simple
straightforward
uncomplicated
noun
Definition
A group of related parts that are connected in some way, often forming a larger whole.
Example
The new housing complex has many amenities for residents.
Conversation
I was reading about a new housing complex being built downtown.
Oh really? What makes it so interesting?
It has a lot of unique features, like a rooftop garden and a community center.
verb
Definition
To make something more complicated or difficult to understand.
Example
The new regulations will complex the process of applying for permits.
Tense Forms
Past: complexed
Past Participle: complexed
Conversation
I heard they might complex the project details soon.
Really? That sounds like it could make things a bit harder to follow.
Yeah, I hope they don't make it too complex for everyone.
Root Explanation
Complex → It is formed from "com-" (meaning together) and "plexus" (meaning woven or folded). The word describes something that is woven together from various parts, indicating intricacy or complication.
Memory Tip
Think of things that are 'woven together' ('plexus') to remember that 'complex' means something that is made up of many interconnected parts.
Visually Confused Words
uncomplex
incomplex
decomplex