jocular
词根词缀：
jocose adj. 滑稽的
joc 笑话 + ose 多…的 → 滑稽的
jocular adj. 爱开玩笑的
joc 笑话 + ular 属于…的 → 爱开玩笑的
jocund adj. 欢乐的
joc 笑话 + und 表形容词 → 欢乐的
joke n. 笑话
数据来源：新东方英语词汇速记大全
相关例句：
Watching him on cell phone conversations, how he will pretend that it is one type of conversation with a big smile, while his eyes remain completely focused and serious, meanwhile the tone of his voice being jocular.
留意一下他讲手机的时候（与韩琛），他是如何用笑容来伪装谈话性质的，他的目光全神贯注，与此同时他的口气却很轻松。
We were used to Guy, to the jocular way he planted and twisted stilettos between his wife's ribs.
我们都习惯了Guy、习惯了他插他妻子”脊梁骨“时滑稽的方式。
His brilliant speech, jocular talk and profound knowledge won our enthusiastic applause.
他精彩的演讲，诙谐的语言，渊博的知识，赢得了同学们阵阵热烈的掌声。
As we sat waiting for carol, he made a jocular comment about her always arriving half an hour late.
我们坐着等卡罗尔时，他打趣地说她总是晚到半小时。
In the process of unscrambling Rabelais in his unique perspective of folk jocular culture, Bakhtin puts forward a surviving mode which contains frenzied particularities.
巴赫金在以独特的民间诙谐文化视角解读拉伯雷的过程中，提出了一种具有狂欢化特质的生存模式。
"but you're very beautiful yourself," he added with a politeness by no means crudely jocular.
“但是你自己也非常美啊，”他的口气文雅有礼，毫不包含粗鲁调笑的意味。