adjective – able to continue over a period of time
That sort of extreme diet is not sustainable over a long period.
Sustainability is an essential criteria of contemporary design approach. As Fry stated sustainability as a notion of viable futures can be defined to include aspects of the environment, public health, social equality and justice, as well as other conditions and choices about humanity and the biosphere. (2005) We are generally more familiar with the idea of a tangible product or a building being sustainable as there are significant projects on this issue. So have you ever thought about how fonts can be more sustainable? Here is an interesting article on typefaces being sustainable.
Times New Roman is available on MyFonts.