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Definition of complex

complex

/ˈkɑːm.plɛks/
com · plex

Adverb:complexly
•
Plural:complexes
•
Past Simple:complexed
•
Past Participle:complexed
•
Present Participle:complexing
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complex Lexical Profile

complex Game Scores & Validity

• adjective

1

Consisting of many different and connected parts; intricate.

Example

"The engineers had to navigate a complex network of subterranean pipes before laying the new foundation."


2

Not easy to analyze, understand, or explain due to underlying intricacies.

Example

"The ethical dilemma presented a highly complex problem with no straightforward solution."


3

Denoting a number that can be expressed in the form a + bi, where 'a' and 'b' are real numbers and 'i' is the imaginary unit.

Example

"Complex numbers are essential for describing alternating currents in electrical engineering."

Synonyms
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Antonyms
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• noun

1

A group of similar buildings or facilities situated on the same site.

Example

"The new sports complex features three indoor swimming pools and an Olympic-sized track."


2

An intricate or interconnected assemblage of related parts, units, or items.

Example

"The global supply chain is a massive complex of shipping routes and regulatory frameworks."


3

A disproportionate emotional reaction or concern surrounding a particular psychological issue or fixation.

Example

"He developed a severe inferiority complex after years of failing to meet his parents' high expectations."

Synonyms
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• verb

1

To join together to form a coordination compound or chemical complex with another substance.

Example

"The heavy metals complexed with the organic matter in the soil, preventing them from washing away into the river."

Word Nuance & Usage

The noun is typically stressed on the first syllable (COM-plex), while the adjective and verb forms can sometimes be stressed on the second syllable (com-PLEX), depending on regional dialect and syntactic context.

• Rhymes for complex

Word Origin & Etymology

From Latin 'complexus', the past participle of 'complecti' meaning 'to entwine, encircle, or encompass', derived from 'com-' (together) and 'plectere' (to weave or braid).

Cite this Entry


Wordmom. (2026). Definition of Complex. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/complex
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