The phrase "transitory nature" means that something is temporary or does not last for a long time.
Sentences with «transitory nature»
Some contend the more transitory nature of school board membership has been one of the major factors in weakening alliances between boards and school superintendents. (articles.chicagotribune.com)
The malleability of cyberspace gives these weapons a highly transitory nature; they're only effective for a short while. (blog.politics.ox.ac.uk)
Struth photographed the animals on site, in the laboratory environment of IZW, reminding us of the fragility of life and our own transitory nature. (galleriesnow.net)