Rigorous

//ˈɹɪɡəɹəs// adj

Definitions

Adjective
  1. 1
    Showing, causing, or favoring rigour/rigor; scrupulously accurate or strict; thorough.

    "a rigorous officer of justice"

  2. 2
    Severe; intense.

    "a rigorous winter"

Adjective
  1. 1
    demanding strict attention to rules and procedures wordnet
  2. 2
    rigidly accurate; allowing no deviation from a standard wordnet

Etymology

Inherited from Middle English rigorous, from Middle French and Anglo-Norman rigoreus, derived from Late Latin rigōrōsus (stiff, rigid; inflexible). By surface analysis, rigor + -ous.

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