The phrase "a boundless supply" is correct and usable in written English.
It can be used to describe an unlimited or infinite amount of something, often in contexts related to resources, ideas, or opportunities.
Example: "The library offers a boundless supply of knowledge for those eager to learn."
Alternatives: "an endless supply" or "an infinite supply".
It supports pumping bass riffs and a boundless supply of perky, one-bar keyboard lines, in rounded synthetic tones.
Quite simply because the levels never decline (at least for a chubby person like me, with a boundless supply of internal fat stores to burn).
Borgo di Bastia Creti is a formerly abandoned Umbrian farm village that could have been a stage set for one of those Italian operas with a boundless supply of happy peasants dancing the tarantella and bursting into song.
Take specific note of the Eclectic Electronic and Dance Clubbin' selections, both channels have a boundless supply of national and international artists.
Yet exports did well anyway, benefiting from a seemingly boundless supply of low-wage labor and a proliferation of foreign-financed factories.
Barry Smitherman of the Texas Railroad Commission (which regulates that state's oil industry) was typical in hailing a "relatively boundless supply" of oil and gas worldwide at a recent meeting of the Society of Exploration Geophysicists.
Neglect to maintain a constant and boundless supply of Pop-Tarts.
Indiana takes pride in its size, its rebounding, and its defense, all strengths that have, of late, fallen out of vogue in the N.B.A. Miami, with its boundless supply of three-point shooting and perimeter-focussed offense, has dragged the league in this direction, forcing rivals like the Knicks and even the Celtics to assemble similar small-ball lineups.
The story's comic reversal relies on the unexpected, and this, at least, is something the museum has always had in boundless supply.
I take to heart what Warren Buffett contends of such wealthy inheritors who "might feel themselves perceptive in observing the debilitating effects of food stamps for the poor but would fail to observe that they themselves are the beneficiaries of an almost boundless lifetime supply of privately-funded food stamps bestowed upon them at birth".
