/ grænˈdɪləkwənt; NAmE / adjective
( formal , disapproving ) using long or complicated words in order to impress people
SYN pompous
► grand·ilo·quence / -əns; NAmE / noun [ U ]
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WORD ORIGIN
late 16th cent.: from Latin grandiloquus , literally grand-speaking, from grandis grand + loqui speak. The ending was altered in English by association with eloquent .