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prefixes

  • plural
    of prefix.
    prefix
    noun
    an affix placed before a word, base, or another prefix to modify a term's meaning, as by making the term negative, as un- in unkind, by signaling repetition, as re- in reinvent, or by indicating support, as pro- in proabolition. Compatible prefixes can work together, as un- and re- in unrefundable.
  • present tense form
    of prefix (3rd person singular).
    prefix
    noun
    an affix placed before a word, base, or another prefix to modify a term's meaning, as by making the term negative, as un- in unkind, by signaling repetition, as re- in reinvent, or by indicating support, as pro- in proabolition. Compatible prefixes can work together, as un- and re- in unrefundable.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The Paris and Geneva families settled their dispute in 2018, agreeing to add prefixes or additional names in marketing.

From The Wall Street Journal ● Apr. 30, 2026

The conference handed out call-letter prefixes — C for Canada, X for Mexico, F for France, and so on.

From Los Angeles Times ● Aug. 12, 2024

To boost comprehension, students learn about prefixes, root words and suffixes — for example that “bene” means good or “audi” means hear.

From New York Times ● Dec. 25, 2022

For example, those that multiply figures, such as giga, end in ‘a’, whereas prefixes describing the smaller end of the scale, such as atto, end in ‘o’.

From Scientific American ● Nov. 23, 2022

Once he had swallowed a good portion of the English vocabulary, he began to taste the familiar ingredients, the Greek seasoning in the roots, prefixes, and suffixes.

From "Middlesex: A Novel" by Jeffrey Eugenides

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