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  1. Prefixes - Grammar - Cambridge Dictionary

    Prefixes can, for example, create a new word opposite in meaning to the word the prefix is attached to. They can also make a word negative or express relations of time, place or manner.

  2. Prefix - Wikipedia

    A prefix is an affix which is placed before the stem of a word. [1] Particularly in the study of languages, a prefix is also called a preformative, because it alters the form of the word to which it is affixed.

  3. PREFIX Definition & Meaning - Merriam-Webster

    Dec 7, 2016 · What are prefixes, suffixes, and combining forms? Prefixes and suffixes are both kinds of affixes. That is, they are word parts that attach to the beginning or end of a word or word base (a …

  4. 36 Common Prefixes in English - ThoughtCo

    May 18, 2025 · Prefixes are letters at the start of words that change their meanings. Knowing prefixes can help us understand new words and sometimes shows the opposite meaning. Different prefixes …

  5. PREFIX Definition & Meaning | Dictionary.com

    The grammatical term prefix itself has the prefix pre-; in this case, pre- means “before; preceding” and one meaning of fix is “to attach or place.” A word can have more than one prefix, like un- and re- in …

  6. Prefixes - The Free Dictionary

    What is a prefix? Prefixes are morphemes (specific groups of letters with particular semantic meaning) that are added onto the beginning of roots and base words to change their meaning.

  7. Prefix - Definition, Meaning & Synonyms | Vocabulary.com

    A prefix is affix that's added in front of a word and often changes the meaning of it. Common prefixes include re-, un-, and mis-.

  8. Prefix | Meaning & Examples - QuillBot

    Jul 8, 2025 · What is a prefix? A prefix is an affix (a group of letters) at the beginning of a root word or base word. When you add a prefix to the beginning of a word, it changes the meaning. Unlike …

  9. prefix noun - Definition, pictures, pronunciation and usage ...

    Definition of prefix noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  10. What Are Prefixes? - LanguageTool

    Jun 12, 2025 · A prefix is a letter or group of letters that are added to the beginning of a word to change its meaning. For example, “bi-” means “two.”