Princeton's WordNet(4.17 / 6 votes)Rate this definition:

1. complex, composite(noun)

   a conceptual whole made up of complicated and related parts

   "the complex of shopping malls, houses, and roads created a new town"

2. complex, coordination compound(noun)

   a compound described in terms of the central atom to which other atoms are bound or coordinated

3. complex(noun)

   (psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person's behavior

4. building complex, complex(adj)

   a whole structure (as a building) made up of interconnected or related structures

5. complex(adj)

   complicated in structure; consisting of interconnected parts

   "a complex set of variations based on a simple folk melody"; "a complex mass of diverse laws and customs"

Wiktionary(3.75 / 8 votes)Rate this definition:

1. complex(Noun)

   A problem.

2. complex(Noun)

   A collection of buildings with a common purpose, such as a university or military base.

3. complex(Noun)

   A psychologically based dislike or fear of a particular thing.

   Jim has a real complex about working for a woman boss.

4. complex(Noun)

   A thunderstorm that forms when two storm fronts collide.

5. complex(Noun)

   A structure consisting of a central atom or molecule weakly connected to surrounding atoms or molecules.

6. complex(Verb)

   To form a complex with another substance

7. complex(Adjective)

   Made up of multiple parts; intricate or detailed.

8. complex(Adjective)

   Not simple or straightforward.

9. complex(Adjective)

   Of a number, of the form a + bi, where a and b are real numbers and i is the square root of 1.

10. complex(Adjective)

    A curve, polygon or other figure that crosses or intersects itself.

Origin: From complexe, from complexus, past participle of complecti, from com- and plectere. See complect.

Webster Dictionary(2.67 / 3 votes)Rate this definition:

1. Complex(noun)

   composed of two or more parts; composite; not simple; as, a complex being; a complex idea

2. Complex(noun)

   involving many parts; complicated; intricate

3. Complex(noun)

   assemblage of related things; collection; complication

Origin: [L. complexus]

Chambers 20th Century Dictionary(5.00 / 1 vote)Rate this definition:

1. Complex

   kom′pleks, adj. composed of more than one, or of many parts: not simple: intricate: difficult.—n. a complex whole.—v.t. to complicate.—ns. Complex′edness, Com′plexness, Complex′ity, state of being complex: complication.—adv. Com′plexly.—n. Complex′us, a complicated system: a large muscle of the back, passing from the spine to the head. [L. complex—com, together, and root of plicāre, to fold. See Complicate.]

British National Corpus

1. Spoken Corpus Frequency

   Rank popularity for the word 'complex' in Spoken Corpus Frequency: #1404

2. Written Corpus Frequency

   Rank popularity for the word 'complex' in Written Corpus Frequency: #2988

3. Nouns Frequency

   Rank popularity for the word 'complex' in Nouns Frequency: #1447

4. Adjectives Frequency

   Rank popularity for the word 'complex' in Adjectives Frequency: #169

Numerology

1. Chaldean Numerology

   The numerical value of complex in Chaldean Numerology is: 8

2. Pythagorean Numerology

   The numerical value of complex in Pythagorean Numerology is: 7

Sample Sentences & Example Usage

1. Medhane Yehdego Mered:

   It is a complex case.

2. Charles Elder:

   Managing pain is complex.

3. Ricardo Rouvier:

   It's going to be a complex count.

4. Spokeswoman Kathryn Hambleton:

   This is a very complex procurement.

5. Tom Everett:

   There is nothing on earth that complex

Images & Illustrations of complex