prohibitively expensive

something which costs so much it would prevent most people from being able to do or purchase it.

I was going to go on holiday to Italy this year, but with the rate of the pound against the euro it would have been prohibitively expensive

prohibitively expensive by ploppie db February 16, 2010

labor-prohibitive 

An argument for the decision to discontinue further action based on a personal determination that too much effort is required to complete a task or enterprise.

Jerry-- "I couldn't stand college... I considered a B.S. as labor-prohibitive... I settled for a B.A. in general studies and was glad to be out in five."

labor-prohibitive by ohthree11 March 21, 2010

Prohibitatively 

Term used in the legal world to describe the price of Apple products, especially tablet based computers that are otherwise irresistable to normal everyday consumers.

Wow I want that Ipad, even if it is prohibitatively expensive

Prohibitatively by bumperaitken March 30, 2011