You searched for: “lexiphanes
lexiphane (s) (noun), lexiphanes (pl)
1. A showing off by using unusual or big words.
2. A phrase-monger or a person who uses bombastic phraseology.
3. Anyone who pretentiously uses words.
4. Etymology: from Greek lexiphanes, "phrase monger", from lexis, "word" + -phaneia, "to show".