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



    From Old English reġnboga ( “rainbow” ), formed as reġn ( “rain” ) + boga ( “bow” ). Cognate with Old High German reginbogo, Icelandic regnbogi and Old Norse regnbogi .


    • enPR: rān'bō
    • IPA: /ˈreɪnbəʊ/, X-SAMPA: /'reInb@U/


    rainbow ( plural: rainbows )

    1. A multicoloured arch in the sky, produced by prismatic refraction of light within droplets of rain in the air .
    2. Any prismatic refraction of light showing a spectrum of colours .
    3. ( often used with “of” ) A wide assortment; a varied multitude .
      a rainbow of possibilities
    4. An illusion, mirage
      Many electoral promises are rainbows, vanishing soon after poll day .
    5. ( baseball ) A curveball, particularly a slow one
    6. ( poker slang ) In Texas hold 'em or Omaha hold 'em, a flop that contains three different suits


    Derived terms

    Related terms


    rainbow ( not comparable )

    1. Multicoloured .
    2. ( attributive, 主にUS ) Made up of several races or ethnicities, or ( more broadly ) of several cultural or ideological factions.
    3. ( attributive ) LGBT.
    4. ( poker, chiefly of a flop ) Composed entirely of different suits .

    Usage notes

    In the United States, 'rainbow' groups/families/alliances/coalitions were originally those made up of several races or ethnicities. The term is now used more broadly, to refer ( in the 2007 quotation, for example ) to an alliance of several political parties .

    See also

    • Weisenberg, Michael ( 2000 ) The Official Dictionary of Poker. MGI/Mike Caro University. ISBN 978-1880069523

Explanation of rainbow by Wordnet Dictionary


    1. an illusory hope

    2. chasing rainbows
    3. an arc of colored light in the sky caused by refraction of the sun's rays by rain