Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Characterized by or acting with rigor: a rigorous program to restore physical fitness.
  • adj. Full of rigors; harsh: a rigorous climate.
  • adj. Rigidly accurate; precise. See Synonyms at burdensome.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Manifesting, exercising, or favoring rigour; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration.
  • adj. Severe; intense; inclement; as, a rigorous winter.
  • adj. Violent.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Manifesting, exercising, or favoring rigor; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless
  • adj. Severe; intense; inclement.
  • adj. Violent.
  • adj. Adhering scrupulously and exactly to accepted principles; hence, logically valid.

from The Century Dictionary and Cyclopedia

  • Acting with rigor; strict in performance or requirement.
  • Marked by inflexibility or severity; stringent; exacting; hence, unmitigated; merciless.
  • Exact; strict; precise; scrupulously accurate: as, a rigorous definition or demonstration.
  • Hard; inclement; bitter; severe: as, a rigorous winter.
  • Synonyms and Severe, Rigid, etc. (see austere), inflexible, unbending, unyielding.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. demanding strict attention to rules and procedures
  • adj. rigidly accurate; allowing no deviation from a standard

Etymologies

Sorry, no etymologies found.

Examples

Wordnik is becoming a not-for-profit! Read our announcement here.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.