Complex
adjective
Made up of many different parts or things.
Human emotions are complex.

Often appears as...
- complex system
- complex problem
noun
A group of buildings or facilities that are located near each other and are used for a particular purpose.
They live in an apartment complex.

Often appears as...
- apartment complex
- industrial complex
noun
A system of interrelated ideas, beliefs, situations, or events.
We're dealing with a complex of issues.

Often appears as...
- complex of issues
- complex of beliefs
Usage tips
Academic
adjective
In mathematics, used to describe numbers that can be expressed in the form a + bi.
3+4i is a complex number.

Often appears as...
- complex number
- complex equation
Usage tips
Technical
noun
In psychology, a related group of repressed or suppressed feelings and thoughts that cause unconscious emotional conflict leading to particular behaviors.
He has an inferiority complex.

Often appears as...
- inferiority complex
- superiority complex
Usage tips
Technical
adjective
Made up of many different parts or things.
Human emotions are complex.

Often appears as...
- complex system
- complex problem
noun
A group of buildings or facilities that are located near each other and are used for a particular purpose.
They live in an apartment complex.

Often appears as...
- apartment complex
- industrial complex
noun
A system of interrelated ideas, beliefs, situations, or events.
We're dealing with a complex of issues.

Often appears as...
- complex of issues
- complex of beliefs
Usage tips
Academic
adjective
In mathematics, used to describe numbers that can be expressed in the form a + bi.
3+4i is a complex number.

Often appears as...
- complex number
- complex equation
Usage tips
Technical
noun
In psychology, a related group of repressed or suppressed feelings and thoughts that cause unconscious emotional conflict leading to particular behaviors.
He has an inferiority complex.

Often appears as...
- inferiority complex
- superiority complex
Usage tips
Technical
Definition 1 of 5

Abstract Concepts
Often describes things you can't touch but must understand through thought like emotions.

The concept of freedom is complex.
Subjective Interpretation
Can signal that different people might see situations differently, not clear cut.

The poem's meaning is complex and varies with interpretation.
Varied Usage
Used across various disciplines to describe intricate systems or ideas.

The ecosystem of the rainforest is complex.
Abstract Concepts
Often describes things you can't touch but must understand through thought like emotions.

The concept of freedom is complex.
Subjective Interpretation
Can signal that different people might see situations differently, not clear cut.

The poem's meaning is complex and varies with interpretation.
Varied Usage
Used across various disciplines to describe intricate systems or ideas.

The ecosystem of the rainforest is complex.
Abstract Concepts
Often describes things you can't touch but must understand through thought like emotions.

The concept of freedom is complex.
Subjective Interpretation
Can signal that different people might see situations differently, not clear cut.

The poem's meaning is complex and varies with interpretation.
Varied Usage
Used across various disciplines to describe intricate systems or ideas.

The ecosystem of the rainforest is complex.
Compare with
complicateconvoluteddauntingelaborateintricateinvolvemultifacetedsophisticated
Video examples
How to control someone...
about the properties about how the brain works because we don't teach neuroscience in schools. And one of the reasons why is that the equipment is so complex and so expensive that it's really only done at major universities and large institutions. And so in order to be able to access the brain, you really need to dedicate your life and spend six and a half years as a graduate student
Video examples
How playing an...
found that those who were exposed to a period of music learning showed enhancement in multiple brain areas, compared to the others. This recent research about the mental benefits of playing music has advanced our understanding of mental function, revealing the inner rhythms and complex interplay
Video examples
Upgrading management...
we're going to hear about some of humanity's most important and complex issues and whether your issue is climate change world hunger education or anything else I'm going to propose that a precursor to effectively addressing any of these issues its first addressing
Video examples
Questions No One Knows...
recently discovered dark matter, or dark energy, that appear to account for most of the universe's mass. Or, maybe we're looking at the wrong scale. Perhaps intelligent civilizations come to realize that life is ultimately just complex patterns of information
Video examples
What is bipolar...
The causes are complex, and consequently, diagnosing and living with bipolar disorder is a challenge. Despite this, the disorder is controllable. Certain medications like lithium can help manage risky thoughts and behaviors by stabilizing moods.
Video examples
10 TOP Natural History...
to persuade females to come close and admire his plumes he sings the most complex song he can manage and he does that by copying the songs of all the other birds he hears around him such as the kookaburra it's a very convincing impersonation
Video examples
Can you solve...
by devising a complex riddle involving this list of clues. Can you resist tackling a brain teaser written by one of the smartest people in history? Let's give it a shot. The world's rarest fish has been stolen from the city aquarium.
Video examples
Debunking the myths of...
Research has implicated three regions of the brain variously involved in social behavior and complex cognitive planning, voluntary movement, and emotional and motivational responses. The other piece of the puzzle
Video examples
A Spoon You Can Eat Is a...
reused you know plastic has got so many chemical complexes in it phthalates chill aids bisphenol this cause cancer these leach into food they don't biodegrade but still we using whole lot
Video examples
Attenborough: the...
To persuade females the come close and admire his plumes, he sings the most complex song he can manage and he does that by copying the songs
Video examples
How to control someone...
about the properties about how the brain works because we don't teach neuroscience in schools. And one of the reasons why is that the equipment is so complex and so expensive that it's really only done at major universities and large institutions. And so in order to be able to access the brain, you really need to dedicate your life and spend six and a half years as a graduate student
Video examples
How playing an...
found that those who were exposed to a period of music learning showed enhancement in multiple brain areas, compared to the others. This recent research about the mental benefits of playing music has advanced our understanding of mental function, revealing the inner rhythms and complex interplay
Video examples
Upgrading management...
we're going to hear about some of humanity's most important and complex issues and whether your issue is climate change world hunger education or anything else I'm going to propose that a precursor to effectively addressing any of these issues its first addressing
Video examples
Questions No One Knows...
recently discovered dark matter, or dark energy, that appear to account for most of the universe's mass. Or, maybe we're looking at the wrong scale. Perhaps intelligent civilizations come to realize that life is ultimately just complex patterns of information
Video examples
What is bipolar...
The causes are complex, and consequently, diagnosing and living with bipolar disorder is a challenge. Despite this, the disorder is controllable. Certain medications like lithium can help manage risky thoughts and behaviors by stabilizing moods.
Video examples
10 TOP Natural History...
to persuade females to come close and admire his plumes he sings the most complex song he can manage and he does that by copying the songs of all the other birds he hears around him such as the kookaburra it's a very convincing impersonation
Video examples
Can you solve...
by devising a complex riddle involving this list of clues. Can you resist tackling a brain teaser written by one of the smartest people in history? Let's give it a shot. The world's rarest fish has been stolen from the city aquarium.
Video examples
Debunking the myths of...
Research has implicated three regions of the brain variously involved in social behavior and complex cognitive planning, voluntary movement, and emotional and motivational responses. The other piece of the puzzle
Video examples
A Spoon You Can Eat Is a...
reused you know plastic has got so many chemical complexes in it phthalates chill aids bisphenol this cause cancer these leach into food they don't biodegrade but still we using whole lot
Video examples
Attenborough: the...
To persuade females the come close and admire his plumes, he sings the most complex song he can manage and he does that by copying the songs
Example 1 of 10
Quote examples
Rihanna
American Musician
People think, because we're young, we aren't complex, but that's not true. We deal with life and love and broken hearts in the same way a woman a few years older might.

Quote examples
Anton Chekhov
Russian Dramatist
All of life and human relations have become so incomprehensibly complex that, when you think about it, it becomes terrifying and your heart stands still.

Quote examples
Noam Chomsky
American Activist
As you deal with more and more complex systems, it becomes harder and harder to find deep and interesting properties.

Quote examples
Ronald Reagan
American President
They say the world has become too complex for simple answers. They are wrong.

Quote examples
Jodie Foster
American Actress
I think an artist's responsibility is more complex than people realize.

Quote examples
Jiah Khan
British Actress
I am deeply romantic and a genuine yet complex person.

Quote examples
Jehane Noujaim
Egyptian Director
I'm interested in characters that are complex people.

Quote examples
Hillary Clinton
American Politician
Egypt is a large, complex, very important country.

Quote examples
Jenny Slate
American Actress
It's important to say women are complex.

Quote examples
Jasmine Guy
American Actress
We are a complex species to observe.

Quote examples
Rihanna
American Musician
People think, because we're young, we aren't complex, but that's not true. We deal with life and love and broken hearts in the same way a woman a few years older might.

Quote examples
Anton Chekhov
Russian Dramatist
All of life and human relations have become so incomprehensibly complex that, when you think about it, it becomes terrifying and your heart stands still.

Quote examples
Noam Chomsky
American Activist
As you deal with more and more complex systems, it becomes harder and harder to find deep and interesting properties.

Quote examples
Ronald Reagan
American President
They say the world has become too complex for simple answers. They are wrong.

Quote examples
Jodie Foster
American Actress
I think an artist's responsibility is more complex than people realize.

Quote examples
Jiah Khan
British Actress
I am deeply romantic and a genuine yet complex person.

Quote examples
Jehane Noujaim
Egyptian Director
I'm interested in characters that are complex people.

Quote examples
Hillary Clinton
American Politician
Egypt is a large, complex, very important country.

Quote examples
Jenny Slate
American Actress
It's important to say women are complex.

Quote examples
Jasmine Guy
American Actress
We are a complex species to observe.

Example 1 of 10
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