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. rigour的近义词

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

1. 困难;艰苦;严苛;严峻
    If you refer to the rigours of an activity or job, you mean the difficult, demanding, or unpleasant things that are associated with it.

    e.g. He found the rigours of the tour too demanding.
           他发现这次旅行非常艰苦。
    e.g. ...the rigours of childbirth.
           分娩的艰辛

2. 严格;严密;缜密
    If something is done with rigour, it is done in a strict, thorough way.

    e.g. The new current affairs series promises to address challenging issues with freshness and rigour.
           新的时事系列节目承诺以全新的视角和严谨的态度谈论有挑战性的问题。

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

    Synonym: cogencyvalidityrigor