The phrase "duplicitous for" is grammatically correct and can be used in written English.
It typically means being deceitful or having a tendency to act in a deceptive manner for a specific purpose or advantage. Example: "Her actions were not only selfish, but also duplicitous for she had lied to everyone for her own personal gain."
W. thinks the vice president will come off as duplicitous for pouncing on campaign finance reform.
It's duplicitous for them to claim that they are getting rid of it: all they are doing is dropping the name".
Durst's longtime lawyer, Chip Lewis, smelled a setup, calling Jarecki "duplicitous" for not making it clear to Durst that he would be sharing information with police.
It is blatantly and egregiously duplicitous for our government to claim that budgetary deficits and debt must soon be addressed, yet at the very same time panic about adopting measures that would address those imbalances now.
The proponents claimed Donovan was duplicitous for going to court to ask for a partial disclosure of details like the number of witnesses, only to turn around and argue against the release of more meaningful information like testimony and prosecutors' instructions to the grand jury.
But if the Post's reporting (based on multiple accounts) is correct, the White House knew that Flynn was being duplicitous for weeks yet administration spokesperson and cable news punching bag Kellyanne Conway was going on MSNBC to say Trump had "full confidence" in Flynn hours before he resigned.
It remains duplicitous, unlike, for example, simply guessing at an answer when a multiple-choice test is scored in a way that it can be prudent for students to guess when they don't know an answer.
You can watch his duplicitous account for supporting it here.
In 2002-03, "journalikes" like the New York Times' Michael Gordon and Judith Miller proved themselves to be duplicitous tools for amplifying every lie about Iraq's weapons of mass destruction that leapt from the imaginations of unnamed officials inside the George W. Bush administration.
It was most interesting to observe the rivalry between detectives as both seek the child and the statue, with the ever-hyper Holmes vying with the self-assured and duplicitous Vidocq for the attention of the client, Emmeline.
The weakest of such characters exhibit an abundance of tragic flaws, often including an uncontrollable lust for duplicitous women.
