The phrase "appear improper" is correct and usable in written English.
It can be used when describing something that seems inappropriate or unsuitable in a particular context.
Example: "The behavior of the guests at the formal event began to appear improper as the night went on."
Alternatives: "seem inappropriate" or "look unseemly".
The president reportedly didn't like the idea of the trip, fearing it would appear improper.
"Perhaps I was naive not to see how easily this could be made to appear improper by a hostile media; a self-inflicted wound I won't make again," he says.
Writing in the Guardian, he hits back at claims of conflict between his £110,000-a-year part-time role and his private race consultancy work, though admits he may have been "naive" for failing to see how it could be "made to appear improper by a hostile media".
As part of the decision, which fell short of saying Mr. Safir broke the law, the board scolded him, saying he should have known that Revlon had hired off-duty New York City police officers as part of a city program and that accepting the trip would appear improper.
The only regret he expressed was that his behavior might appear improper to others".
One voting commission member, Maine Secretary of State Matthew Dunlap (D), who has sued the voting panel to disclose records that he says were not provided to him, said the selection of Hispanic names appeared improper and could explain why the voting panel has sought to act in secret.
Intuitively, the configuration of Fig. 8 cannot realize a positive resultant moment around the Z-axis, so appears improper.
"It appears improper," he said.
Obama also arranged a sweetheart real estate deal with Rezko which the candidate acknowledged appeared improper, although it was fully legal.
"Given the clear political focus of all of these investigations, it's no surprise that we're already seeing what appear to be improper leaks and overtly political committee appointments.
More than 100,000 documents and emails leaked to reporters in recent weeks appear to detail improper dealings in lucrative government contracts made with the Gupta family - secretive and immensely wealthy businessmen of Indian origin who have lived in South Africa for decades.
