af·​fix | \ə-ˈfiks, 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 \

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 \ -​ˈfik-​sə-​bəl \ adjective
affixation \ ˌa-​ˌfik-​ˈsā-​shən \ noun
affixment \ ə-​ˈfik-​smənt , a-​ \ noun


affixal \ -​ˌfik-​səl \ or affixial \ a-​ˈfik-​sē-​əl \ adjective

Synonyms & Antonyms for affix

Synonyms: Verb

attach, bend, fasten, fix

Antonyms: Verb

detach, undo, unfasten, unhook

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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


affix a first-class stamp to the envelope

Recent Examples on the Web: Verb

Dolan believes one thing that prevented millennials from voting in the past was the need to affix a postage stamp to ballots. Erik Lacitis, The Seattle Times, "Why are the oldest Americans three times as likely to vote as millennials? Two voters, ages 90 and 21, offer clues," 7 Nov. 2018 During their six to nine months at Women's Bean Project, participants work the production floor — measuring ingredients, affixing labels — and take life-skills classes, which put many on the path to $12- to $15-an-hour jobs. Tracy Saelinger, Woman's Day, "These 3 Companies Help At-Risk Women and Are Changing the World," 2 July 2018 The plaques are made of a decorative colonial-style pottery known as Talavera and are carefully affixed to oft-historic facades of buildings. Washington Post, "Reminders of centuries past emerge along Mexico City streets," 26 Mar. 2018 Parents can rest easy knowing each motorcycle is stable and securely affixed to the floor so the kiddos can’t tip over. Katie Newcomb, Milwaukee Journal Sentinel, "Revving it up: A kidventure at the Harley-Davidson Museum," 15 Nov. 2017 Growers affix brown packets of pheromones or specialized attractants to the wires for when a certain butterfly shows up to lay eggs on the grape vines. Jo Ellen Meyers Sharp, Indianapolis Star, "The Hoosier Gardener: Trip to Bordeaux wine country is an educational experience," 13 July 2018 Other than the whipping Swedish and American flags ceremoniously affixed to parking lot flag poles, IKEA’s cafeteria windows looked out onto a freeway. Beth Spotswood,, "At least no assembly’s required for forgettable IKEA all-you-can-eat deal," 19 June 2018 In the wee hours of the morning on election day, his campaign workers affixed door hangers in North Philadelphia encouraging voters to cast a ballot for him for the state House. Holly Otterbein,, "Antigay fliers target out state House candidate Malcolm Kenyatta | Clout," 18 May 2018 In response to this, Twitter users began writing humorous posts affixed with the hashtag #secondcivilwarletters. Marc Daalder, Detroit Free Press, "#SecondCivilWarLetters is trending on Twitter in a pretty hilarious way," 3 July 2018

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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Statistics for affix

Last Updated

14 Nov 2018

Look-up Popularity

Time Traveler for affix

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

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More Definitions for affix



English Language Learners Definition of affix

 (Entry 1 of 2)

: 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 \
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 \

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- \

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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Comments on affix

What made you want to look up affix? Please tell us where you read or heard it (including the quote, if possible).


something that serves to warn or remind

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