See rant in Webster's New World Roget's A-Z Thesaurus II
verb
To speak in a loud, pompous, or prolonged manner:
declaim, harangue, mouth, perorate, rave. See words
noun
Pretentious, pompous speech or writing:
bombast, claptrap, fustian, grandiloquence, magniloquence, orotundity, turgidity. See plain, style, words
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