The phrase "boundless by" is grammatically correct and can be used in written English.
It means without boundaries or limitations. Example: His imagination was boundless by societal norms and he was able to create unique and groundbreaking artwork.
Flyer's exuberance seems boundless, challenged by a limitless horizon, by the swirling sky, the romp.
"I account for morality as an accidental capability produced, in its boundless stupidity, by a biological process that is normally opposed to the expression of such a capability," Dr. Williams wrote starkly in 1988.
All hell breaks loose when a gentleman caller named Jim (even the name is the same) arrives at the house for a post-tennis schmooze with his grad school mentor, Sidney (who is also Maxine's husband and the father of Sarah and Davy, and is played with warmth and a boundless integrity by Jim Shankman).
When construction is complete, the pit will host a 73-metre-high machine (240 feet) that will attempt to create boundless energy by smashing hydrogen nuclei together, in much the same way as stars like our Sun do.
Boundless Grace by Mary Hoffman.
Like cross-stitching, Waneella creates sleeping skylines with boundless clouds by using tiny color squares on a grid.
But they also point to deep divisions in America, a vast gulf between the experience of America by many as a land of boundless opportunity, yet by many others as a place where one's zip code and skin color unfairly limit one's opportunities.
Rootless cosmopolitan global citizens are despised by nationalists as much as they are by boundless multiculturalists.
They were immigrants lured from Italy, Spain and other European countries by a vast new land that symbolized hope and offered dreams of boundless pampas graced by fat grazing cattle, and of cities with bustling factories and lively tango clubs.
Orfevre's hallmark has been a boundless ability tempered by unpredictability.
