Synonyms for Rigorousness:

• n.

  •
  • easy,
  • rigidity.
  •asperity (noun)
  • asperity.
  •exactitude (noun)
  • exactitude.
  •exactness (noun)
  • de-finitenesses,
  • un-equivocalnesses,
  • definitudes,
  • definitivenesses,
  • de-finiteness,
  • de-finitudes,
  • de-finitude,
  • painstakingnesses,
  • de finitudes,
  • faultlessnesses,
  • de finitenesses,
  • un-equivocalness,
  • de finitude,
  • unequivocalnesses,
  • definitenesses,
  • promptitudes,
  • un equivocalnesses,
  • un equivocalness,
  • de finiteness.
  •fastidiousness (noun)
  • exactingness,
  • criticalness,
  • particularity,
  • fastidiousness,
  • persnicketiness,
  • delicacy,
  • conscientiousness,
  • accuracy,
  • literalism,
  • properness,
  • diligence,
  • carefulness,
  • flawlessness,
  • discrimination,
  • priggishness,
  • prudishness,
  • daintiness,
  • fussiness.
  •grimness (noun)
  • grimness.
  •hardness (noun)
  • hardheartedness,
  • unkindness.
  •hardship (noun)
  • hardship.
  •nicety (noun)
  • subtlety,
  • fine distinction,
  • meticulousness.
  •rigor (noun)
  • rigor.
  •rigorousness (noun)
  • rigour,
  • severity.
  •severity (noun)
  • authoritarianism,
  • bleakness,
  • stringency,
  • starkness,
  • chilliness,
  • dryness,
  • frostiness,
  • correctness,
  • briskness,
  • acerbity,
  • leanness,
  • intensity,
  • acuteness,
  • harshness,
  • causticity,
  • discipline,
  • austerity,
  • keenness,
  • gruffness,
  • crispness,
  • sharpness,
  • bluntness,
  • coolness,
  • cruelty,
  • oppressiveness,
  • hardness,
  • astringency,
  • abruptness,
  • brusqueness,
  • matter-of-factness.
  •spit and polish (noun)
  • spit polish,
  • spit-polish,
  • cleanly habit.

• Other synonyms:

  •n.
  • definiteness,
  • difficultness,
  • difficulty,
  • exactness,
  • nicety,
  • painstakingness,
  • preciseness,
  • promptitude,
  • regularity,
  • spit and polish,
  • sternness,
  • strictness,
  • toughness,
  • unequivocalness,
  • veracity,
  • Definitiveness,
  • Definitude,
  • faultlessness,
  • cleanly habits.

Antonyms for Rigorousness:

• n.

  • severity
    kindness, mildness, gentility.
  • Other antonyms:
    gentleness, imprecision, roundness, approximation, wrongness, inexactness, roughness, guesswork, looseness, forbearance, carelessness, pliancy, falseness, flexibility, pliability, lenience, inaccuracy, responsiveness, patience, tolerance, compliance, impreciseness, incorrectness, coarseness, vagueness, willingness, tenderness, softness, indulgence, indefiniteness, inexactitude, laxness, falsity.

Homophones for Rigorousness:

• Roger Sessions, rigourousness, resurgence.