rant

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To speak or write in an angry or violent manner; rave.
2. v. To utter or express with violence or extravagance: a dictator who ranted his vitriol onto a captive audience.
3. n. Violent or extravagant speech or writing.
4. n. A speech or piece of writing that incites anger or violence: "The vast majority [of teenagers logged onto the Internet] did not encounter recipes for pipe bombs or deranged rants about white supremacy” ( Daniel Okrent).
5. n. Chiefly British Wild or uproarious merriment.

Century Dictionary and Cyclopedia

1. To speak or declaim violently and with little sense; rave: used of both the matter and the manner of utterance, or of either alone: as, a ranting preacher or actor.
2. To be jovial or jolly in a noisy way; make noisy mirth.
3. n. Boisterous, empty declamation; fierce or high-sounding language without much meaning or dignity of thought; bombast.
4. n. A ranting speech; a bombastic or boisterous utterance.
5. n. The act of frolicking; a frolic; a boisterous merrymaking, generally accompanied with dancing.
6. n. A kind of dance, or the music to which it was danced. Synonyms Fustian, Turgidness, etc. See bombast.

Wiktionary

1. n. A criticism done by ranting.
2. n. A wild, incoherent, emotional articulation.
3. v. To speak or shout at length in an uncontrollable anger.
4. v. To criticize by ranting.

GNU Webster's 1913

1. v. To rave in violent, high-sounding, or extravagant language, without dignity of thought; to be noisy, boisterous, and bombastic in talk or declamation.
2. n. High-sounding language, without importance or dignity of thought; boisterous, empty declamation; bombast.

WordNet 3.0

1. n. pompous or pretentious talk or writing
2. v. talk in a noisy, excited, or declamatory manner
3. n. a loud bombastic declamation expressed with strong emotion