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

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 D’ashon sat by her side, strapped into a medical scooter affixed with a large oxygen tank, almost taller than D’ashon. Allie Morris, San Antonio Express-News, "Lawmakers question state leaders, company executives over reported failures in Medicaid managed care program," 27 June 2018 Police said trying to lay low in a vehicle affixed with a vibrant sign wasn’t the best idea. Jared Gilmour, sacbee, "Thief stole car, abandoned it and fled — until a glowing Lyft sign gave him away, cops say," 4 June 2018 Inside 50 of Walmart’s U.S. stores, robots resembling vacuum cleaners affixed with small, sleek towers, patrol the aisles, checking whether the shelves are stocked with enough toilet paper and that laundry detergent has the correct price tag. Jonathan Vanian, Fortune, "Why Walmart Is Testing Robots In Stores—and Here's What Its Learned," 26 Mar. 2018 Of course, now that Trump has affixed his name to such a move, that could change in a hurry. Aaron Blake, Washington Post, "Medicaid work requirements are one of the least politically controversial things Trump has done," 11 Jan. 2018 Finally, a prefabricated metal tree in a wood circle was affixed to the acrylic, symbolizing our deep roots, the circle of life and tree of life. Steve Sadin,, "Shout Out: Hillary Laff-Meyers, abstract artist," 18 June 2018 The Odor punch of Jose Bautista in 2016 has also affixed the dirty label to Odor. Jeff Wilson, star-telegram, "Banister on Angels' reaction to slide: 'Our shortstop's getting well, though'," 2 June 2018 The luggage tag is affixed with a smooth wooden ball, a signature element of Building Block pieces (the motif also appears in a subtle print on the phone sling). Kavita Daswani,, "Brazilian brand Cariuma to open footwear pop-up at the Grove on Saturday," 27 Apr. 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

17 Oct 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).


one that holds something together

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