complex
/ˈkɒmpleks/
English B2 · Upper-intermediateadjectiveDescribing things
complex (adjective) means made of many parts and difficult to understand.
Persian: پیچیده
Meaning of complex
| Word | complex |
|---|---|
| Definition | made of many parts and difficult to understand |
| Persian | پیچیده |
| Pronunciation | /ˈkɒmpleks/ |
| Part of speech | adjective |
| Level | B2 (Upper-intermediate) |
Example sentence
The rules of the game are quite complex.
قوانین این بازی کاملاً پیچیده است.
Word forms of complex
| Word class | Form |
|---|---|
| adjective | complex |
| noun | complexity |
Synonyms of complex
complicated
Opposites of complex
simple
Common phrases with complex
- a complex problem
- complex system
- highly complex
Related English words
adequateenough in quantity or good enough in quality · B2capablehaving the ability to do something · B2cautiouscareful to avoid danger or mistakes · B2flexibleable to change or be changed easily to suit new conditions · B2genuinereal and true, not false or pretended · B2reliableable to be trusted to do what is expected · B2significantlarge or important enough to be noticed · B2compellingso interesting or convincing that you cannot ignore it · C1
Questions about complex
What does complex mean?
complex (adjective) means made of many parts and difficult to understand.
What is the Persian meaning of complex?
complex means پیچیده in Persian.
What level is the word complex?
complex is a English B2 (upper-intermediate) word.
What is another word for complex?
Words close in meaning to complex include complicated.
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Start learningLast updated 2026-10-25.