1
- a person, especially a man, who behaves without moral principles or a sense of responsibility, especially in sexual matters放荡不羁的人（尤指在两性关系上行为不道德的男性）, 浪荡子。
2
- a freethinker in matters of religion（对宗教事务）持自由思想者。
1
- characterized by a disregard of morality, especially in sexual matters（尤指在两性关系上）放荡不羁的, 不道德的：
his more libertine impulses.
他那些更为放荡的冲动。
2
- freethinking思想自由的。
派生词
libertinage
nounlibertinism
noun词源
late Middle English (denoting a freed slave or the son of one)： from Latin libertinus 'freedman'， from liber 'free'. In the mid 16th cent., imitating French libertin, the term denoted a member of any of various antinomian sects in France; hence sense 2.