1. 严厉：rigorousness 严厉 | rigour 严厉 | Rigsdag 丹麦国会
2. 严格：Empathy 移情作用,神入 | Rigour 严格 | Meticulous 小心翼翼,过分注重琐事的
3. 严格,苛严,严厉;艰苦,严酷：reveal揭示,揭露;展现,显示 | rigour严格,苛严,严厉;艰苦,严酷 | rigorous严格的,严厉的;严峻的,严酷的
4. 严厉,苛刻,严密：neighbour,邻居 | rigour,严厉,苛刻,严密 | rumour,谣传
noun
1. excessive sternness
e.g. severity of character
the harshness of his punishment was inhuman
the rigors of boot camp
Synonym: severityseverenessharshnessrigorrigorousnessrigourousnessinclemencyhardnessstiffness
2. something hard to endure
e.g. the asperity of northern winters
Synonym: asperitygrimnesshardshiprigorseverityseverenessrigorousnessrigourousness
3. the quality of being valid and rigorous