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

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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 The recipient would redeem the voucher for his own country’s stamps and affix them to a reply. Randy Maniloff, WSJ, "Ponzi’s Foundation for Madoff’s Pyramid," 15 Apr. 2021 By 2013, officials in Ürümqi had begun to affix QR codes to the exterior of homes, which security personnel could scan to obtain details about residents. Raffi Khatchadourian, The New Yorker, "Surviving the Crackdown in Xinjiang," 5 Apr. 2021 Senate Bill 581 is likely intended mostly for Christians who want to affix crosses and Bible verses on their doors. Abigail Rosenthal, Chron, "The Texas legislature is about to make everyone's porches a lot weirder," 24 Mar. 2021 Whereas screws typically are used to affix fractured bones, pins are often used to stabilize joints which might have been dislocated. Sam Farmer, Los Angeles Times, "Bone breaking skin and possible infection are big issues in Tiger Woods’ comeback," 24 Feb. 2021 It’s so easy to affix my eyeballs to social media if my phone is always at my elbow. Lizz Schumer, Good Housekeeping, "This Year, I'm Choosing Mindfulness Over Dry January," 22 Jan. 2021 The non-soluble glue used to affix synthetic lashes to your own hairs is so effective that in general, false lashes only fall off when your real ones naturally shed, usually within 10-20 days of your original appointment. Hannah Morrill, Marie Claire, "How to Safely Remove Eyelash Extensions, According to Pros," 29 Dec. 2020 But privilege has retained its capacity to affix an affirmative charge to dynamics that would otherwise be discussed strictly in terms of discrimination and oppression. Lauren Michele Jackson, The New Yorker, "Kim Kardashian and the Year of Unchecked Privilege-Checking," 23 Dec. 2020 The sport requires a gear combination that differs from normal alpine equipment, as well as climbing skins that affix to the bottom of skis with an adhesive grip on one side and hairs on the other that provide traction for ascent. Brian E. Clark, Los Angeles Times, "If you thought 2020 was backward, wait till you see uphill skiing," 11 Dec. 2020 Recent Examples on the Web: Noun 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, "Justice Stephen Breyer warns against 'packing' Supreme Court," 7 Apr. 2021 The contraption itself, which looks like an infant bouncer, affixes to the bulkhead. Sarah Firshein, Condé Nast Traveler, "How to Survive a Red-Eye Flight With a Baby," 13 Sep. 2019

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.

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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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Time Traveler for affix

Time Traveler

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

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Statistics for affix

Last Updated

28 Apr 2021

Cite this Entry

“Affix.” Dictionary, Merriam-Webster, Accessed 7 May. 2021.

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More Definitions for affix



English Language Learners Definition of affix

 (Entry 1 of 2)

formal : to attach (something) to something else



English Language Learners Definition of affix (Entry 2 of 2)

grammar : a letter or group of letters added to the beginning or end of a word to change its meaning : a prefix or suffix


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
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

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