1. 刚愎,背理行为：diversity 多样性 | perversity 刚愎,背理行为 | entity 存在,实体;统一性
2. 乖僻：perversion /曲解/颠倒/误用/堕落/ | perversity /乖僻/ | perversive /曲解的/颠倒的/误用的/
3. 乖僻; 刚愎; 倔强; 性变态 (名)：perversion 颠倒, 曲解 (名) | perversity 乖僻; 刚愎; 倔强; 性变态 (名) | perversive 颠倒的; 曲解的 (形)
noun
1. deliberately deviating from what is good
e.g. there will always be a few people who, through macho perversity, gain satisfaction from bullying and terrorism
Synonym: perverseness
2. deliberate and stubborn unruliness and resistance to guidance or discipline
Synonym: contrariness perverseness