The phrase "tenuous nature" refers to something that is weak, flimsy, or delicate. It implies that something is easily broken or can be easily influenced or affected by other things. Full definition
If you do manage to build a good - sized social circle online, you will have a lot more people who may refer you a client, even if each person is less likely to refer to you due to the more tenuous nature of your connection to them. (lawyerist.com)
But the approval of claims of a more tenuous nature than the civil standard also means there is less money in the pool for other workers who do have a clear scientific or evidentiary claim for their injury being related to their job. (slaw.ca)
These developments should have sent a warning to NASDC leaders about the politically charged and therefore tenuous nature of such broad efforts at education reform. (educationnext.org)