• Next in order to the first or primary; of second place in origin, rank, etc.
  • Originating from a deputy or delegated person or body
  • Derived from a parent compound by replacement of two atoms of hydrogen by organic radicals
  • Produced by alteration or deposition subsequent to the formation of the original rock mass.
  • Developed by pressure or other causes.
  • Pertaining to the second joint of the wing of a bird.
  • Dependent or consequent upon another disease, or occurring in the second stage of a disease.
  • Of less than primary importance.
  • Related to secondary education, i.e. schooling between the ages of (approximately) 11 and 18.
  • Relating to the manufacture of goods from raw materials.
  • Formed by mixing primary colors.
  • Representing a reversion to an ancestral state.



  • From Middle English secundarie, from Latin secundārius ("of the second class or quality"), from secundus (whence the English second) + -ārius (whence the English suffix -ary); compare the French secondaire, the Italian secondario, the Occitan secundari, the Portuguese secundario, and the Spanish secundario.

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