The phrase "a particular something" is correct and usable in written English.
It can be used when referring to a specific item or concept that is not explicitly named or defined.
Example: "She seemed to be searching for a particular something that would complete her collection."
Alternatives: "a specific thing" or "a certain item".
I do not experience nothingness as a universal or absolute state in the fear of death, Rosenzweig suggests, but rather I experience my nothingness—I experience nothingness as a particular "something" that threatens me and me alone.
I welled up with the feeling that lifelong agents monitoring rogue states have when, after years of reading code, they are suddenly struck by the Aha! phenomenon, when a particular something comes across the teletype, namely a discovery of a secret passage of text, among legions of verbosity, that gives the game away.
Over the last few Tours I've been riding as a domestique and winning a TTT is something very particular, something you work at.
Sometimes the early works appear to pivot around a particular form – something like a handprint, a sign or an arrow.
Alternatively you might visualise the high end stores of London, New York and Paris, or focus on a particular product – something that encapsulates reassuringly expensive elegance.
The idea is to provide the world's hobbyists who have a particular talent, something they've been doing for years, and give them a supplemental revenue stream – help pay their rent.
In this case, the more secure partner had identified a particular problem, something he or she wanted the insecure partner to change.
Recording of the album began September 6, 2010, lasting for eleven weeks, each one focusing on a particular song, something Vig stated "was good because each song kinda had its own life".
Some beliefs are related to a particular event, something shocking, like an assassination or a terrorist attack, that is a complete breach of reality and where people try to reach for an explanation to make sense of it.
It would be inadvisable, therefore, to base cost estimates on a single estimate of hospital costs in a particular setting, something that is a common feature of cost-effectiveness studies.
It wasn't seeing an artist on stage, or a particular record, but something more fundamental.
