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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.

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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

Also inseparable from their prefixes, which endowed them with meaning, were adjectives and adverbs.

From Scientific American ● Jun. 14, 2023

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

The prefixes may help you remember: en means “in” or “within”; epi means “upon” or “close to”; pan means “all.” farther/further.

From "Woe Is I" by Patricia T. O'Conner

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