Double-dealing in a sentence as a noun

It's good to know of double-dealing by one's government.

And now this article - pathetic example of black PR and double-dealing.

I wonder if taser and other stun-gun manufacturers have a stake in this or other companies like it. Kick-start their own little arms race by building a market then double-dealing.

Double-dealing in a sentence as an adjective

Yeah, I was under the impression that widespread double-dealing was basically an open secret in finance.

They're incentivized by paying customers, and maintaining privacy serves that incentive, and double-dealing would be extremely risky at best.

Not candid or sincere ...Synonyms: dishonest deceitful underhand underhanded duplicitous double-dealing two-faced...You get the idea.

Double-dealing definitions

noun

acting in bad faith; deception by pretending to entertain one set of intentions while acting under the influence of another

See also: duplicity

adjective

marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another; "she was a deceitful scheming little thing"- Israel Zangwill; "a double-dealing double agent"; "a double-faced infernal traitor and schemer"- W.M.Thackeray

See also: ambidextrous deceitful duplicitous Janus-faced two-faced double-faced double-tongued