An infix is an affix inserted inside a word stem. It contrasts with adfix, a rare term for an affix attached to the outside of a stem such as a prefix or suffix. When marking text for interlinear glossing, most affixes are separated with a hyphen but infixes are separated with ⟨angle brackets⟩.

What is infix and its example?

Like prefixes and suffixes, infixes are part of the general class of affixes ("sounds or letters attached to or inserted within a word to produce a derivative word or an inflectional form"). ... For example, cupful, spoonful, and passerby can be pluralized as cupsful, spoonsful, and passersby, using "s" as an infix.

What is infix in English?

An infix is a word element (a type of affix) that can be inserted within the base form of a word—rather than at its beginning or end—to create a new word or intensify meaning. ... The most common type of infix in English grammar is the expletive, as in "fan-bloody-tastic."