Grandiloquent definition: speaking or expressed in a lofty style, often to the point of being pompous or bombastic.. See examples of GRANDILOQUENT used in a sentence.
grandiloqu(ence) + -ent1585–95 gran•dil′o•quent•ly,adv. turgid, inflated, rhetorical, pretentious. simple, sincere. Collins Concise English Dictionary © HarperCollins Publishers:: grandiloquent/ɡrænˈdɪləkwənt/adj ...