Dictionary > English Dictionary > Definition, synonym and antonym of prefix
Meaning of prefix by Wiktionary Dictionary


    Alternative forms


    From Middle French prefixer ( verb ) and Late Latin praefixum ( noun ), both from Latin praefixus, past participle of praefīgō ( “I ( fix, fasten, set up ) in front”, “I fix on the ( end, extremity )” ) ( from prae- ( “before” ) + fīgō ( “I fix”, “I fasten”, “I affix” ) ).[1]


    prefix ( plural: prefixes )

    1. That which is prefixed; especially one or more letters or syllables added to the beginning of a word to modify its meaning; as, pre- in prefix, con- in conjure .


    • IPA: /ˈpɹiːfɪks/

    Usage notes

    Derived terms


    prefix ( third-person singular simple present prefixes present participle prefixing, simple past and past participle prefixed )

    1. ( transitive ) To determine beforehand; to set in advance. [from 15th c.]
    2. ( transitive ) To put or fix before, or at the beginning of something; to place at the start. [from 16th c.]


    • IPA: /pɹiːˈfɪks/

    Related terms

    See also

    • Category:English prefixes
    • Prefix on Wikipedia .

    See also

    1. ^ “prefix, n.”, “†prefix, adj.”, and “prefix, v.” listed in the Oxford English Dictionary [draft revisions; Mar.–Dec. 2008]

    External links

    • prefix in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
    • prefix in The Century Dictionary, The Century Co., New York, 1911

Explanation of prefix by Wordnet Dictionary


    1. attach a prefix to

    2. prefixed words
    1. an affix that is added in front of the word

    Definition of prefix by GCIDE Dictionary


    1. Prefix v. t. [imp. & p. p. Prefixed ; p. pr. & vb. n. Prefixing.] [L. praefixus, p. p. of praefigere to fix or fasten before; prae before + figere to fix: cf. F. préfix fixed beforehand, determined, préfixer to prefix. See Fix.]

      1. To put or fix before, or at the beginning of, another thing; as, “to prefix a syllable to a word, or a condition to an agreement”.

      2. To set or appoint beforehand; to settle or establish antecedently. [Obs.] “ Prefixed bounds. ” Locke.

      And now he hath to her prefixt a day. Spenser.

    2. Prefix n. [Cf. F. préfixe.] That which is prefixed; esp., one or more letters or syllables combined or united with the beginning of a word to modify its signification; as, “pre- in prefix, con- in conjure”.