Definition of secondary adjective from the Oxford Advanced Learner's Dictionary

      

    secondary

     adjective
    adjective
    BrE BrE//ˈsekəndri//
     
    ; NAmE NAmE//ˈsekənderi//
     
     
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  1. 1  less important than something else That is just a secondary consideration. Experience is what matters—age is of secondary importance. secondary to something Raising animals was only secondary to other forms of farming.
  2. 2  happening as a result of something else a secondary infection a secondary effect a secondary colour (= made from mixing two primary colours)
  3. 3  [only before noun] connected with teaching children of 11–18 years secondary teachers the secondary curriculum compare elementary, primary, tertiary
  4. Word Origin late Middle English: from Latin secundarius ‘of the second quality or class’, from secundus ‘following, second’, from the base of sequi ‘follow’.
See the Oxford Advanced American Dictionary entry: secondary