Rant

v. i. [imp. & p. p. RANTED; p. pr. & vb. n. RANTING.] [South Ger. rant, noise, noisy mirth. Cf. Gael. & Ir. rān, a loud cry, shriek, roar, to cry out, to roar, make a noise.] To rave in violent, high-sounding, or extravagant language, without correspondent dignity of thought; to be noisy and boisterous in words or declamation; as, a ranting preacher.

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

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

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