VocabDictionary

complex

/ˈkɒm.plɛks/intermediate Level

English Meaning & Definitions

1.adjective

Consisting of many different and connected parts; not easy to analyze or understand.

Example Sentences:
  • The human brain is a remarkably complex network of neurons.
  • They faced a complex set of legal problems that required expert advice.
2.noun

A whole structure made up of interconnected or similar parts, buildings, or units.

Example Sentences:
  • The university just opened a massive new sports complex.
  • An industrial complex sits on the outskirts of the town.
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English Synonyms & Near Equivalents

English Antonyms & Opposites

Comprehensive Thesaurus Breakdown

Compare formal, informal, literary synonyms and register nuances for “complex”.

Thesaurus Entry
Cultural Origin & Etymology

Derived from the Latin 'complexus', meaning 'surrounding' or 'encompassing' (past participle of 'complecti', from 'com-' meaning 'together' + 'plectere' meaning 'to weave' or 'to braid'). Literally translated, it means 'woven together'.

Memory Aid & Mnemonic

Think of a 'com-' (together) plus 'plex' (like a multi-plex cinema) — many different parts woven together into one structure.

Frequently Asked Questions About “complex

1. What is the meaning of “complex” in English?

In English, complex (adjective) is defined as: “Consisting of many different and connected parts; not easy to analyze or understand.”.

2. How do you use “complex” in a sentence?

The human brain is a remarkably complex network of neurons.

3. What are English synonyms of “complex”?

4. What is the etymology and word origin of “complex”?

Derived from the Latin 'complexus', meaning 'surrounding' or 'encompassing' (past participle of 'complecti', from 'com-' meaning 'together' + 'plectere' meaning 'to weave' or 'to braid'). Literally translated, it means 'woven together'.