attach

verb

at·​tach ə-ˈtach 

attached; attaching; attaches

transitive verb

1

: to take by legal authority especially under a writ

attached the property

2

a

: to bring (oneself) into an association

attached herself to their cause

b

: to assign (an individual or unit in the military) temporarily

3

: to bind by personal ties (as of affection or sympathy)

was strongly attached to his family

4

: to make fast (as by tying or gluing)

attach a label to a package

5

: to associate especially as a property or an attribute : ascribe

attached great importance to public opinion polls

6

: to include and send (a separate document or file) with an electronic message (such as an email or text message)

Unlike … some other social networking hubs, Beejive allows you to attach photos or videos to a message, or download files from messages, just as you would via e-mail.

—Bob Tedeschi

intransitive verb

: to become attached : adhere

attachable

ə-ˈta-chə-bəl 

adjective

Synonyms

• affix

Choose the Right Synonym for attach

fasten, fix, attach, affix mean to make something stay firmly in place.

fasten implies an action such as tying, buttoning, nailing, locking, or otherwise securing.

fasten the reins to a post

fix usually implies a driving in, implanting, or embedding.

fixed the stake in the ground

attach suggests a connecting or uniting by a bond, link, or tie in order to keep things together.

attach the W-2 form here

affix implies an imposing of one thing on another by gluing, impressing, or nailing.

affix your address label here

Examples of attach in a Sentence

I've attached an application to the brochure for you.

She attached a note to the package.

I attached the file to the e-mail.

The handle attaches here on the top.

Recent Examples on the Web

In Europe, wage subsidy programs such as Germany’s Kurzarbeit or Britain’s furlough scheme kept millions of employees formally attached to their jobs (Giupponi, Landais and Lapeyre, 2022). —Ugo Troiano, Oc Register, 25 Oct. 2025

Norton’s father said the Pippins provide the visual icon to fight the stigma that is attached to the conversation around anxiety, depression, and mental health. —Rosemary Feitelberg, Footwear News, 24 Oct. 2025

Pair it with these stick-on draft stoppers that attach to the bottom of your doors for even more protection. —Christopher Murray May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 24 Oct. 2025

The Pen3 comes with a clip for securing inside a jacket pocket when it's not magnetically attached to the side of the Air5 C, and there are replacement tips stowed inside its cap for easy swap out on the go. —New Atlas, 24 Oct. 2025

Word History

Etymology

Middle English, from Anglo-French attacher, alteration of Old French estachier, from estache stake, of Germanic origin; akin to Old English staca stake

First Known Use

14th century, in the meaning defined at transitive sense 1

Rhymes for attach

• bycatch
• despatch
• detach
• dispatch
• mismatch
• nuthatch
• potlatch
• toothache
• bache
• batch
• brach
• catch

Kids Definition

attach

verb

at·​tach ə-ˈtach 

1

: to take money or property by legal authority especially to gain or force payment of a debt

attach a person's salary

2

: to fasten or join one thing to another

attach a light to a bicycle

attach a file to an email

3

: to tie or bind by feelings of affection

the children were attached to their dog

4

: to assign (an individual or unit in the military) temporarily

attach an officer to a headquarters

5

: to think of as belonging to something

attach no importance to a remark

attachable

-ə-bəl 

adjective

Legal Definition

attach

verb

at·​tach

transitive verb

1

: to obtain a court order against (property of another person) that directs an officer of the court (as a sheriff) to seize or take control of the property compare garnish, levy

Note: A plaintiff may attach a defendant's property as a way of obtaining jurisdiction for the purpose of bringing a lawsuit or to prevent the defendant from getting rid of property that may be needed to pay a judgment to the plaintiff.

2

: to join or make a part of

affidavits attached to the suit

—Rosalind Resnick

3

: to create a security interest in (property) and so acquire the right to foreclose on or otherwise deal with property for payment of a debt and to exercise one's rights in the property against third parties see also security interest at interest sense 1 compare perfect

intransitive verb

: to become effective: as

a

: to come into existence as a security interest

from the date the interest attaches

b

: to become operative especially as a right

the right to counsel attaches only at or after the initiation of adversary judicial proceedings

—United States v. Gouveia, 467 U.S. 180 (1984)

see also jeopardy

attachable adjective

attachment noun

Etymology

Anglo-French attacher to lodge (an action in court), seize (a person or property) by legal authority, from Old French atachier to fasten, fix, alteration of estachier, from estache stake