from The Century Dictionary.
- Dealing with sincerity and frankness; honest; open; speaking and acting without guile.
- noun Sincere, frank, and honest speech or conduct; conduct or dealing that is without guile, stratagem, or disguise; sincerity and honesty in thought and act.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Practicing plain dealing; artless. See Plain dealing, under
Sorry, no etymologies found.
What answers you may extort from me by bodily agony, I cannot, to speak as a plain-dealing Christian, hold myself responsible for.
Yet, to all appearance, he was plain-dealing and easy-natured, his business shrewdness was so well wadded round with fat.
 He is yet a scholar, than which kind of men there is nothing so simple, so sincere, none better, they are most part harmless, honest, upright, innocent, plain-dealing men.
My plain-dealing with Mr. Lovelace, on seeing him again, and the free dislike I expressed to his ways, his manners, and his contrivances, as well as to his speeches, have obliged him to recollect himself a little.
He paused, and seemed a little at a loss: and I was going to give him still stronger and more personal instances of my plain-dealing; when in came my uncle Antony.
And yet at times he wants to build up a merit for sincerity or plain-dealing, by saying free things.
Common sense and American know-how would lead plain-dealing Americans to conclude that Chevron cannot evade the law.
It is necessary, in some one of my letters to my dear friends, that I should write so clearly as to put this matter out of all doubt: and to whom can I better address myself with an explicitness that can admit of no mistake, than to that uncle who professes the highest regard for plain-dealing and sincerity?
Downright and plain-dealing, and abhorring to be deceived or to deceive, he was esteemed in the country for his sense and probity.
You will excuse my plain-dealing in turn: for I must observe, that if I had not the just opinion I have of the sacred nature of this office I have undertaken, some passages in the letter you have favoured me with would convince me that I ought not to excuse myself from acting in it.