say it: gran-DIL-uh-kwuhnt
grandiloquent is an adjective meaning "lofty in style". It carries 2 recorded senses.
lofty in style
“he engages in so much tall talk, one never really realizes what he is saying”
puffed up with vanity
“a grandiloquent and boastful manner”
“overblown oratory”
“a pompous speech”
“pseudo-scientific gobbledygook and pontifical hooey”
Definitions, synonyms and semantic relations for grandiloquent come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.