1. 严格：grimly 严格地 | grimness 严格 | grimy 污秽的

2. 严格; 冷酷; 严峻 (名)：grimly 严格地; 冷酷地; 可怕地 (副) | grimness 严格; 冷酷; 严峻 (名) | grimy 污秽的, 肮脏的 (形)

noun

1. something hard to endure

e.g. the asperity of northern winters

Synonym: asperityhardshiprigorrigourseverityseverenessrigorousnessrigourousness

2. the quality of being ghastly

Synonym: ghastlinessgruesomenessluridness