rant /rænt/ BrE AmE verb [intransitive and transitive]
[ Date: 1500-1600 ; Origin: Early Dutch ranten ]
to talk or complain in a loud excited and rather confused way because you feel strongly about something
rant about
She was still ranting about the unfairness of it all.
Why don’t you stop ranting and raving for a minute and listen?
—rant noun [countable] :
a 15-minute rant about the evils of modern society