A criticism done by ranting.
"The critic's review was nothing but a furious rant against the director's lack of vision."
In plain English: A rant is when someone talks angrily and at length about something they really dislike.
"He spent the whole evening complaining about his boss in an angry rant."
To speak or shout at length in uncontrollable anger.
"After discovering his car had been towed, he began to rant at the parking attendant until the police arrived."
In plain English: To rant means to talk very angrily and loudly about something you are upset about.
"My uncle started to rant about his bad day at work when he came into the living room."
Usage: Use the verb rant to describe speaking angrily and at great length, often without logical control. While related to complaining, it specifically implies an emotional outburst rather than a reasoned argument or calm critique.
The word "rant" comes from the Dutch verb ranten, which originally meant to talk nonsense or rave. While its exact origins are uncertain, it is likely related to German words for dancing and frolicking.