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Added 10 October 2026

infix

/ɪnˈfɪks/ verb

Latin root: infixus Wiktionary

verb Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about infix at Wordnik → Where our words come from →

To set; to fasten or fix by piercing or thrusting in.
to infix a sting, spear, or dart
To instill.
To insert a morpheme inside an existing word.

noun

An affix inserted inside a root, such as -ma- in English edumacation.
A prefix that is not at the beginning of a word, such as the con- of reconcile, or a suffix that is not at the end of a word, such as the -al of nationality.
A prefix that always occurs in the position immediately before the verb root, and which may in turn be preceded by other prefixes.

Origin

Back-formation from Middle English infixed (“stuck in”), from Latin infixus, past participle of infigō (“to fasten in”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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