• synonyms


  1. serving or tending to disjoin; separating; dividing; distinguishing.
  2. Grammar.
    1. syntactically setting two or more expressions in opposition to each other, as but in poor but happy, or expressing an alternative, as or in this or that.
    2. not syntactically dependent upon some particular expression.
  3. Logic.
    1. characterizing propositions that are disjunctions.
    2. (of a syllogism) containing at least one disjunctive proposition as a premise.
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  1. a statement, course of action, etc., involving alternatives.
  2. Logic. disjunction(def 2a).
  3. Grammar. a disjunctive word.
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Origin of disjunctive

1400–50; late Middle English < Late Latin disjunctīvus placed in opposition, equivalent to Latin disjunct(us) (see disjunct) + -īvus -ive
Related formsdis·junc·tive·ly, adverbnon·dis·junc·tive, adjectivenon·dis·junc·tive·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for disjunctive

Historical Examples

  • They are chiefly of two sorts, the Copulative and Disjunctive.

    The Comic English Grammar

    Percival Leigh

  • The disjunctive, therefore, not the copulative, is the proper conjunction.

    Flowers of Freethought

    George W. Foote

  • A Dilemma is a combination of Hypothetical and Disjunctive propositions.

  • Conjunctions are of two sorts, the Copulative and the Disjunctive.

  • Conjunctions are divided into two sorts, the Copulative and Disjunctive.

British Dictionary definitions for disjunctive


  1. serving to disconnect or separate
  2. grammar
    1. denoting a word, esp a conjunction, that serves to express opposition or contrast: but in the sentence She was poor but she was honest
    2. denoting an inflection of pronouns in some languages that is used alone or after a preposition, such as moi in French
  3. Also: alternative logic relating to, characterized by, or containing disjunction
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  1. grammar
    1. a disjunctive word, esp a conjunction
    2. a disjunctive pronoun
  2. logic a disjunctive proposition; disjunction
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Derived Formsdisjunctively, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012