rigorousness Synonyms

stiffness rigour grimness hardness hardship harshness inclemency rigor severity rigourousness severeness asperity operoseness faithfulness oppressiveness toughness thoroughness rigors stringency strictness scrupulousness preciseness unbendingness fastidiousness meticulousness relentlessness painstakingness exactitude unequivocalness hardships sternness delicacy correctness carefulness care badness austerity adversity acerbity difficulty discipline exactness sharpness inflexibility rigidness rigidity precision particularity nicety firmness