Hold forth and Rant at

Hold forth verb - Talk at length and formally about a topic.

Rant at and hold forth are semantically related. In some cases you can use "Rant at" instead a verb "Hold forth".

Rant at verb - To criticize (someone) severely or angrily especially for personal failings.

Hold forth and rant at are semantically related. Sometimes you can use "Hold forth" instead a verb "Rant at".