A rant refers to a long, impassioned speech or complaint, often expressing frustration, anger, or criticism about a particular topic or situation. It is similar to a tirade, which is a prolonged, vehement outburst of criticism or accusation.
Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: That's saying a lot!. Explanations are generated by AI and may be inaccurate.