You are all so excellent at this game, it honors me to participate with you. I say this to you in complete candor.

Oh and by the way, Camarofemme, your definition rates a good deal more than a measly $5.00.
And now to the challenge at hand: "grandiloquent". I believe it means overblown verbiage. Word choice that exceeds the needs of a given situation.

This happens most often amongst young authors who have recently come across new vocabulary with which to dazzle and/or astound their readers. Early works by James Joyce manifest, in my opinion, this tendency.
Here's the new word: "Dagger"