association
Americannoun
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an organization of people with a common purpose and having a formal structure.
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the act of associating or state of being associated.
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friendship; companionship.
Their close association did not last long.
- Synonyms:
- fellowship
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connection or combination.
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the connection or relation of ideas, feelings, sensations, etc.; correlation of elements of perception, reasoning, or the like.
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an idea, image, feeling, etc., suggested by or connected with something other than itself; an accompanying thought, emotion, or the like; an overtone or connotation.
My associations with that painting are of springlike days.
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Ecology. a group of plants of one or more species living together under uniform environmental conditions and having a uniform and distinctive aspect.
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Chemistry. a weak form of chemical bonding involving aggregation of molecules of the same compound.
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Astronomy. stellar association.
noun
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a group of people having a common purpose or interest; a society or club
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the act of associating or the state of being associated
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friendship or companionship
their association will not last
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a mental connection of ideas, feelings, or sensations
association of revolution with bloodshed
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psychol the mental process of linking ideas so that the recurrence of one idea automatically recalls the other See also free association
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chem the formation of groups of molecules and ions, esp in liquids, held together by weak chemical bonds
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ecology a group of similar plants that grow in a uniform environment and contain one or more dominant species
Other Word Forms
Etymology
Origin of association
First recorded in 1525–35; from Middle French, from Medieval Latin associātiōn-, stem of associātiō “accompaniment, unification”; equivalent to associate + -ion
Explanation
Association has to do with things that are together, whether in a formal group like the National Basketball Association or just two things that are related, like the association between dogs and parks. Any time people or things are connected, there are associations. The National Basketball Association is an example of the business meaning of association — a formal organization or group that works together. If you ask, "What is your association with Bill?" That just means, "How are you connected to Bill?" You can also make mental associations — you might make an association between the smell of fresh bread and your grandmother's kitchen, for example.
Vocabulary lists containing association
Working Together: The Language of Unions
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Declaration of the Rights of Man (1789)
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Catching Fire
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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.
Measured by months of inventory for sale, the supply of single-family homes on the market is now back at prepandemic levels, data from the National Association of Realtors shows.
From The Wall Street Journal • May 26, 2026
The National Association of Colleges and Employers Job Outlook for 2026 showed that 73% of employers screened candidates by GPA in 2019 — but this year only 42% did.
From MarketWatch • May 26, 2026
Pending home sales, a data point that measures homes that go under contract well before the sale closes, perked up in April, rising 3.2% from the year prior, according to the National Association of Realtors.
From Barron's • May 26, 2026
The study, published in the American Heart Association journal Circulation, focused on a protein called HELZ2.
From Science Daily • May 25, 2026
In many ways the looming match was analogous to a team of National Basketball Association all-stars playing a college team.
From "Endgame" by Frank Brady
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.
