af·​fix | \ ə-ˈfiks How to pronounce affix (audio) , a- \
affixed; affixing; affixes

Definition of affix

 (Entry 1 of 2)

transitive verb

1 : to attach physically affix a stamp to a letter
2 : to attach in any way : add, append affix a signature to a document
3 : impress affixed my seal


af·​fix | \ ˈa-ˌfiks How to pronounce affix (audio) \

Definition of affix (Entry 2 of 2)

1 grammar : one or more sounds or letters occurring as a bound form attached to the beginning or end of a word, base, or phrase or inserted within a word or base and serving to produce a derivative word or an inflectional form The affix in the word "attendance" is "-ance."
2 : appendage

Other Words from affix


affixable \ ə-​ˈfik-​sə-​bəl How to pronounce affix (audio) , a-​ \ adjective
affixation \ ˌa-​ˌfik-​ˈsā-​shən How to pronounce affix (audio) \ noun
affixment \ ə-​ˈfik-​smənt How to pronounce affix (audio) , a-​ \ noun


affixal \ ˈa-​ˌfik-​səl How to pronounce affix (audio) \ or affixial \ a-​ˈfik-​sē-​əl How to pronounce affix (audio) \ adjective

Synonyms & Antonyms for affix

Synonyms: Verb

Antonyms: Verb

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Choose the Right Synonym for affix


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 affix in a Sentence

Verb affix a first-class stamp to the envelope
Recent Examples on the Web: Verb Fully automatic weapons are only legal in Connecticut if they had been registered on or before Jan. 1, 2014, and those who make their own guns with a kit or a printer must obtain a serial number and affix it to the gun. Christine Dempsey, Hartford Courant, 13 Apr. 2022 So whatever label one wants to affix to them, the bottom line is this, there must be accountability. ABC News, 10 Apr. 2022 In a city dominated by parking lots, having something, anything, to which riders can affix their set of wheels is a godsend. Jay R. Jordan, Chron, 4 Apr. 2022 Trevor Patton Crow was initially arrested on charges of first-degree possession of marijuana, possession of drug paraphernalia and failure to affix a tax stamp following a raid at his Tuscaloosa home on Tuesday. Carol Robinson |, al, 3 Mar. 2022 An herbarium is, in essence, a library of taminate them, and affix them to large sheets of stiff white paper to be stacked and stored landscapes and the human powers that shaped them. Harpers Magazine, 16 Mar. 2022 Public Works staff are working to affix red tags to primary barrels along trash routes during the month of February., 27 Jan. 2022 By the end of 2021, 16 distinct bills were introduced as lawmakers vied to affix their names atop a piece of burn-pit legislation. New York Times, 11 Jan. 2022 In his statement, Ek vowed that Spotify would affix warnings on podcast episodes that include conversations about COVID-19. Zack Sharf, Variety, 1 Feb. 2022 Recent Examples on the Web: Noun At each work-station, crews affix parts and the Lightnings begin to assume their familiar boxy shape. John Seabrook, The New Yorker, 24 Jan. 2022 Breyer has long been an outspoken defender of the Supreme Court as a nonpartisan institution and bristled at the labels of 'liberal' and 'conservative' that many commentators and the media affix to individual justices. Devin Dwyer, ABC News, 7 Apr. 2021 The contraption itself, which looks like an infant bouncer, affixes to the bulkhead. Sarah Firshein, Condé Nast Traveler, 13 Sep. 2019 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'affix.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of affix


14th century, in the meaning defined at sense 1


1600, in the meaning defined at sense 1

History and Etymology for affix


borrowed from Latin affīxus, past participle of affīgere "to fasten (to), attach," from ad- ad- + fīgere "to drive in, insert" — more at fix entry 1


borrowed from Middle French affixe "notice, placard, element added to the base or stem of a word (originally in Hebrew grammar)," borrowed from Latin affīxus, past participle of affīgere "to fasten (to), attach" — more at affix entry 1

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The first known use of affix was in the 14th century

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Last Updated

22 May 2022

Cite this Entry

“Affix.” Dictionary, Merriam-Webster, Accessed 27 May. 2022.

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More Definitions for affix


af·​fix | \ ə-ˈfiks How to pronounce affix (audio) \
affixed; affixing

Kids Definition of affix

 (Entry 1 of 2)

1 : to attach firmly Affix the stamp to the envelope.
2 : to add to something else He affixed his signature to the letter.


af·​fix | \ ˈa-ˌfiks How to pronounce affix (audio) \

Kids Definition of affix (Entry 2 of 2)

: a letter or group of letters (as a prefix or suffix) that comes at the beginning or end of a word and has a meaning of its own


transitive verb
af·​fix | \ ə-ˈfiks, a- How to pronounce affix (audio) \

Legal Definition of affix

1 : to attach physically
2 : to attach or add in any way affix a signature to a document
3 : to make by or as if by pressure affix my seal

More from Merriam-Webster on affix

Nglish: Translation of affix for Spanish Speakers

Britannica English: Translation of affix for Arabic Speakers Encyclopedia article about affix


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