Rant

Rant (rănt), v. i. [imp. & p. p. Ranted; p. pr. & vb. n. Ranting.] [OD. ranten, randen, to dote, to be enraged.] 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.

Look where my ranting host of the Garter comes!
Shak.

Rant, n. High-sounding language, without importance or dignity of thought; boisterous, empty declamation; bombast; as, the rant of fanatics.

This is a stoical rant, without any foundation in the nature of man or reason of things.
Atterbury.