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Definition of affix

affix

/ˈæf.ɪks/
af · fix

Plural:affixes
•
Adjective:affixal
•
Past Simple:affixed
•
Past Participle:affixed
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Present Participle:affixing
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affix Lexical Profile

affix Game Scores & Validity

• noun

1

A grammatical morpheme, such as a prefix or suffix, that is attached to a base, stem, or root word to modify its meaning or create a new derivative word.

Example

"In linguistics, prefixes and suffixes are the two most common types of affixes used to build new vocabulary."


2

Something that is attached, joined, or added to a larger object or document, such as an ornamental fixture or an appendage.

Example

"The decorative bronze affix on the side of the ceramic vessel was typical of the region's ancient metalwork."

Synonyms
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• verb

1

To attach, fasten, or stick one thing physically to another.

Example

"Please affix a postage stamp to the upper right corner of the envelope before placing it in the mail."


2

To add or append a signature, seal, or official mark to a document in order to validate it.

Example

"The notary public will affix her official seal and signature to the contract once both parties have signed."

Synonyms
View all synonyms for affix
Antonyms
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Word Nuance & Usage

Like many two-syllable English noun-verb pairs, "affix" shifts stress according to part of speech: the noun is stressed on the first syllable (AF-fiks), whereas the verb is stressed on the second syllable (uh-FIKS).

• Rhymes for affix

Word Origin & Etymology

Borrowed in the 16th century from Middle French affixer or directly from Medieval Latin affixare, a frequentative form of Latin affigere ('to fasten to'), from ad- ('to') + figere ('to fasten or fix').

Cite this Entry


Wordmom. (2026). Definition of Affix. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/affix
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