environment
Americannoun
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the aggregate of surrounding things, conditions, or influences; surroundings; milieu.
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Ecology. the air, water, minerals, organisms, and all other external factors surrounding and affecting a given organism at any time.
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the social and cultural forces that shape the life of a person or a population.
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Computers. the hardware or software configuration, or the mode of operation, of a computer system.
In a time-sharing environment, transactions are processed as they occur.
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an indoor or outdoor setting characterized by the presence of environmental art that is designed specifically to make use of that site.
noun
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external conditions or surroundings, esp those in which people live or work
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ecology the external surroundings in which a plant or animal lives, which tend to influence its development and behaviour
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the state of being environed; encirclement
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computing an operating system, program, or integrated suite of programs that provides all the facilities necessary for a particular application
a word-processing environment
Synonym Usage
Environment, milieu, ambiance, setting, surroundings all refer to what makes up the atmosphere or background against which someone or something is seen. Environment may refer either to actual physical surroundings or to social or cultural background factors: an environment of crime and grinding poverty. Milieu, encountered most often in literary writing, refers to intangible aspects of the environment: an exhilarating milieu of artistic ferment and innovation. Ambiance applies to the atmosphere of the surroundings, their mood or tone: an ambiance of ease and elegance. Setting suggests a background that sets something off: a perfect setting for the emerald. Surroundings alludes specifically to the physical aspects of the environment: awoke in strange surroundings; blend in with her surroundings. See ecosystem ( def. ).
Other Word Forms
Derived Forms
Etymology
Origin of environment
First recorded in 1595–1605; from Middle French environnement; see environ, -ment
Explanation
Think of the environment as everything that is around you. A quiet room with good lighting and no distractions is a good environment for doing homework, or at least that's what your parents and teachers think. Environment generally refers to your surroundings. If something is good for the environment, it is beneficial to the complex system of plant and animal life, water and air on Earth. An environment need not be so large, however. The environment of your living room means the tables, chairs and decor that are in the room. Sometimes it refers to the general attitude of a place. Do you thrive in a competitive environment or prefer an atmosphere of cooperation?
Vocabulary lists containing environment
Ecology - Introductory
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Natural Resources and the Environment - Introductory
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Commonly Misspelled Words, List 3
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"The documents selected are presented without the critical context of the operating environment in the Niger Delta at the time," a Shell spokesperson has told the BBC.
From BBC • Jun. 3, 2026
“It’s a tricky environment for the Fed, but for now the economy has an inflation problem.”
From MarketWatch • Jun. 3, 2026
Unlike most earthquakes, these deep events occur in an environment characterized by extreme heat and pressure.
From Science Daily • Jun. 3, 2026
“It’s known that in an environment where investors get a little bit more skittish, like today, you won’t see huge amounts of outflows.”
From Barron's • Jun. 3, 2026
Our sonic environment and the soundscape: The tuning of the world.
From "Music and the Child" by Natalie Sarrazin
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.