The phrase "obscure interaction" is correct and can be used in written English.
You can use it when referring to an interaction between two entities that is not easily understood or identified. For example: "The obscure interaction between the two companies created difficulties in predicting the potential outcome."
Invasive species allow us to explore the initial stages of parasite host coevolution, before adaptive shifts obscure interactions (Pizzatto et al. 2010; Pizzatto and Shine 2011a, b).
In communities with more than two species, indirect interactions can obscure direct interactions (Wootton, 2002).
Random sampling could obscure significant interactions, rendering the association between ecosystem functioning and ciliate diversity in temperate and tropical systems hard to interpret.
This strategy avoided the difficulty of using pif1 Δ cells, which are very slow growing, behavior that might obscure synthetic interactions.
For the fated home on a Nagasaki hilltop, Jean-Marc Puissant's scenic design employs a central cube that rotates on its axis and migrates around the stage in varying perspectives, in and out of doors, with Japanese screens revealing and obscuring the interactions.
Cosmic rays have proved an enduring mystery because their interactions obscure their origins.
The appeal to nature obscures how human interaction or politics—at the social level contributes to the outcome.
Despite this strong evidence, a gap in understanding the neural mechanisms of this interaction obscures whether biological rhythms disturbances are the underlying causes or merely symptoms of mental disorder.
In addition, the consistent use of statins may have decreased CRP and obscured a potential interaction (22).
Furthermore, relying wholly on the free energy change to define a protein DNA interaction obscures the multiple subcomponents of that interaction.
