attach
Americanverb (used with object)
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to fasten or affix; join; connect.
to attach a photograph to an application with a staple.
- Antonyms:
- detach
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to join in action or function; make part of.
to attach oneself to a group.
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Military. to place on temporary duty with or in assistance to a military unit.
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to include as a quality or condition of something.
One proviso is attached to this legacy.
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to assign or attribute.
to attach significance to a gesture.
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to bind by ties of affection or regard.
You always attach yourself to people who end up hurting you.
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Law. to take (persons or property) by legal authority.
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Obsolete. to lay hold of; seize.
verb (used without object)
verb
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to join, fasten, or connect
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(reflexive or passive) to become associated with or join, as in a business or other venture
he attached himself to the expedition
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to be inherent (in) or connected (with)
responsibility attaches to the job
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to attribute or ascribe
to attach importance to an event
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to include or append, esp as a condition
a proviso is attached to the contract
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(usually passive) military to place on temporary duty with another unit
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(usually passive) to put (a member of an organization) to work in a different unit or agency, either with an expectation of reverting to, or while retaining some part of, the original working arrangement
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to appoint officially
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law to arrest or take (a person, property, etc) with lawful authority
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obsolete to seize
Other Word Forms
- attachable adjective
- attacher noun
- reattach verb
- reattachable adjective
- unattachable adjective
Etymology
Origin of attach
First recorded in 1300–50; Middle English atachen, from Anglo-French atacher “to seize,” Old French atachier “to fasten,” alteration of estachier “to fasten with or to a stake,” from estach(e), from Frankish stakka “stake”; stake 1
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.
As it happens, however, there is a direct precedent under U.S. law, well known to the drafters of the 14th Amendment, explaining that the demands of allegiance attach even to temporary or unlawful entrants.
From Slate • Apr. 2, 2026
Landfast ice can attach to the coast in several ways.
From Science Daily • Mar. 27, 2026
They agree to attach their names to “How’s That?!” to lend it legitimacy, and are virtually powerless to affect the plots generated by a program their network has deceptively nicknamed Al.
From Salon • Mar. 26, 2026
But it had no lights of its own, so the volunteers used the LED lights and glow sticks to attach homemade Dodgers-themed signage to the fence that encloses the bridge.
From Los Angeles Times • Mar. 25, 2026
Lloyd plunged in first with a line to attach to something on the other bank.
From "The Teacher’s Funeral" by Richard Peck
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.
