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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 Definition & Meaning - Merriam-Webster

    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 word …

  3. 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 …

  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. …

  5. 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.

  6. PREFIX definition and meaning | Collins English Dictionary

    A prefix is a letter or group of letters, for example 'un-' or 'multi-', which is added to the beginning of a word in order to form a different word. For example, the prefix 'un-' is added to ' happy ' to …

  7. prefix - Wiktionary, the free dictionary

    Dec 14, 2025 · (grammar, linguistic morphology) A morpheme added to the beginning of a word to modify its meaning, for example as, pre- in prefix, con- in conjure, re- in reheat, etc.

  8. 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- …

  9. 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.”

  10. 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. …