The phrase "peripheral relationship" is correct and usable in written English.
You can use it when referring to a relationship that is secondary, unimportant, or not very close. For example, "I have a peripheral relationship with my cousin; we talk a few times a year but don't keep in close contact."
Balducci was an outsider in Scruggs's Oxford social sphere, where it was assumed that he was a troubled person who had tried to exploit a peripheral relationship with Scruggs in order to buy leniency.
Democrats and critics of Mr. Bush's domestic security strategy have argued that some of the money already sent to state and local agencies had been diverted to projects that had only a peripheral relationship to security efforts.
That might mean you take a job related to your skills, but only has some peripheral relationship to what you really want.
Jones has been critical of the deal, which he calls a "bargaining chip," leading to a contentious, albeit peripheral, relationship with Trump.
Best friends are still close, but the peripheral relationships — the ones whose only ties were geography and circumstance — have faded away.
Wallerstein (1974) expanded on the duality of core-peripheral relationship by adding semi-peripheral states in his world system theory.
Frankly, I was taken aback that I was defriended by someone with whom I had only the most peripheral online relationship and who took my comments so personally.
To review the degenerative diseases of the peripheral retina in relationship with the risk to develop a rhegmatogenous retinal detachment and to present recommendations for use in eyes at increased risk of developing a retinal detachment.
Like the novel it follows, "Howards End"' begins not head on but from an angle, with a peripheral but telling relationship.
Thus, the relationship between peripheral BDNF levels and hippocampal neurogenesis appears to be far from linear, and changes in peripheral levels of BDNF may only be detected upon substantial changes in brain levels of this neurotrophin.
Gastroenterology 1977 73 5):1098–1102. Murray FE, et al. Esophageal function in diabetes mellitus with special reference to acid studies and relationship to peripheral neuropathy.
