Synonyms of rigour in English:

rigour


See UK English definition of rigour

noun

1‘the mines were operated under conditions of some rigour’

SYNONYMS
strictness, severity, sternness, stringency, austerity, toughness, hardness, harshness, rigidity, inflexibility
cruelty, savagery, relentlessness, unsparingness, authoritarianism, despotism, intransigence
ANTONYMS

laxness

2‘a speech noted for its intellectual rigour’

SYNONYMS
meticulousness, thoroughness, carefulness, attention to detail, diligence, scrupulousness, exactness, exactitude, precision, accuracy, correctness, strictness, punctiliousness, conscientiousness
archaic nicety
ANTONYMS

carelessness

3rigours‘she could not face the rigours of the journey’

SYNONYMS
hardship, harshness, severity, adversity, suffering, privation, ordeal, misery, distress, trial
discomfort, inconvenience
ANTONYMS

pleasures