μεγαλορρήμων

ον, ονος, όνως, Adv.
A. talking big, LXX Ps. 11(12).4, Men.Prot.p.11 D.; in good sense, magniloquent, Philostr. VA 6.11. Adv. -όνως Poll. 9.147.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project