The phrase "impractical about" is grammatically correct and can be used in written English.
It means that something is not practical or suitable for a particular purpose or situation. Example: His ideas for a new business were impractical about the current market trends and would not be successful.
Betty's family, however, felt that Juan was "ridiculously impractical and visionary about the future of aviation": why didn't he get "a decent job?" Juan told Betty that he wouldn't see her for a year -- not until he had built a company.
After a wonderfully impractical segment about spit-roasting the bird over a wood fire, Ms. Stewart showed viewers that they could get a similar result -- using one of those "set it and forget it" countertop rotisseries sold by Ron Popeil.
The only impractical thing about this particular one is that it only fits on HP's Blackbird.
Dissatisfaction with pain relief treatments was expressed in three main areas: perceived impractical suggestions about pain management, inadequate pain relief, and unclear information being provided at consultation.
Reasons are given like "my client lacks the ability or courage to take the necessary steps" or "this consultant did not help translate objectives into actions". Almost all the managers I interviewed about their experiences as clients complained about impractical recommendations.
He thinks fragile carbon-fiber bikes and super-narrow tires are impractical for just about everyone ("Getting paid to ride them is the only good reason I can think of to ride that kind of bike").
— Glenn Collins Saveur: Here's how they make cheeseburgers in Santa Fe. — Jeff Gordinier SF Weekly: "So maybe the pork rinds are a little impractical," Jonathan Kauffman writes about what he considers the best hot dog in San Francisco.
("Practical" would seem to be implied. Who's going to read a book about impractical wisdom?) As the authors see it, practical wisdom roughly amounts to being a mensch — that is, having honor and integrity, but also rising above workaday ephemera to recognize and enact wise decisions for the greater good.
Most did not". David Kimche, who was director general of Israel's foreign ministry in the 1980's, noted: "The old Zionist nationalists' anthem was a state on 'the two banks of the River Jordan.' When that became impractical, we talked about 'greater Israel,' from the Jordan to the sea.
National Lawyers Guild attorney Carol Sobel, who attended Saturday's demonstration, said the law goes overboard in restricting constitutionally protected speech and is laughably impractical: Woodstock Road is about 40 feet wide, meaning demonstrators would have to gather outside a neighboring home to comply.
