no obj.
- speak or shout at length in a wild, impassioned way大叫大嚷; 夸夸其谈：
she was still ranting on about the unfairness of it all.
她仍在就那件事的不公正嚷嚷不休。
- a spell of ranting: a tirade大话, 夸夸其谈, 豪言壮语; 激烈的长篇演说：
his rants against organized religion.
他反对有组织的宗教活动的激烈长篇演说。
短语
rant and rave
- shout and complain angrily and at length大叫大嚷; 怒气冲冲地抱怨。
派生词
rantingly
adverb词源
late 16th cent. （in the sense 'behave in a boisterous way'）： from Dutch ranten 'talk nonsense, rave'.