The phrase "a relatively elusive" is correct and usable in written English.
It can be used when describing something that is difficult to define, find, or achieve, but not impossible.
Example: "The concept of happiness can be a relatively elusive goal for many people."
Alternatives: "somewhat hard to grasp" or "fairly difficult to pin down".
But, he asserted, it doesn't necessarily need to; if Velocity can attract the relatively elusive Rich Man, it can charge a premium to advertisers in much the same way that CNBC does.
I can see in retrospect that those things were otherwise relatively elusive in my daily life, my parents consciously attempting to find a new way to be a family, upending the previous norms.
Dylan spends much of his time on the road, including recent gigs at the Desert Trip festival in Indio, Calif., but is relatively elusive when it comes to interviews.
This complexity renders the general picture of the DDR cascade relatively elusive.
To a similar extent, the roles of the two new members of the PDGF family, PDGF-C and PDGF-D, in CNS development remain relatively elusive.
These results strongly suggested that TFII-I plays a central role in stimulating DSB repair, and the role of DBC1 in DSB repair remained relatively elusive.
Although it is known that the PTM is an essential regulatory mechanism involved in eukaryotic cell proliferation, the specific role of hypusine modification in mammals has remained relatively elusive.
It is thought that T1D is caused by one or more environmental factors interacting with a relatively common genetic background, but the specific cause(s) remain elusive.
However, notwithstanding a putative COX-binding site [27] and a relatively well-characterized capacity to bind Ca2+ [36], the biological functions of Nuc remain elusive.
Consensus remains elusive, except on one point: with current knowledge, we still can't pick a winner (from a relatively evenly matched field) based on lab tests.
