to rant is a form of:

Rant



verbpast tense: ranted ; past participle: ranted ; present participle: ranting ;
1.
(INTRANSITIVE) (to make a speech loudly and violently and theatrically, to talk wildly and noisily) និយាយឡូឡា
ENGLISH MEANING
noun
1.
High-sounding language, without importance or dignity of thought; boisterous, empty declamation; bombast; as, the rant of fanatics.
verbpast tense: ranted ; past participle: ranted ; present participle: ranting ;
1.
(INTRANSITIVE) To rave in violent, high-sounding, or extravagant language, without dignity of thought; to be noisy, boisterous, and bombastic in talk or declamation; as, a ranting preacher.