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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. Prefixes in English – Definition, Types, and Examples

    Prefixes are an essential part of English vocabulary. They are added to the beginning of a word to change its meaning. Learning prefixes will help you expand your vocabulary, understand word …

  4. 35 Most Common Prefixes in English with their Meanings

    Oct 29, 2025 · Understanding prefixes is essential for our mastery of the English language, since they are foundational components that help us decipher meaning, even in words we may have never …

  5. 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 stripped …

  6. 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 …

  7. 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 …

  8. 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.”

  9. prefix - Wiktionary, the free dictionary

    6 days ago · The chosen prefixes won the vote in part because they start with the only two letters left in the alphabet that are not already used in measurement. The b for “bronto” is already used for bytes …

  10. 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-.