"infinite opportunity" is a correct and usable phrase in written English.
You can use it to describe a situation in which there are seemingly limitless opportunities or options available. For example, "The new job offers me an infinite opportunity to grow and learn."
What appeared to offer an infinite opportunity to participate is enslaving many of us to just one more click.
It presents a teasing vision of this borough as a guilt-free arena of infinite opportunity for singles with the looks and enough time and money to play.
I set everything to zero (or off), and the sound was still pleasing, but there's nearly infinite opportunity to tweak it.
In our daily lives there is infinite opportunity to create them.
You have infinite opportunities to impact the world.
Penn once said that a photographer's studio was like a baseball diamond — within that space, there were infinite opportunities.
Free from the hamster-wheel-like routine of exhausted sleep, the sporadic demands of picket-line solidarity suddenly presented infinite opportunities.
Being anthropomorphic and dream-driven, Surrealism has an immense potential for expressing narcissism, just as contemporary design seems to provide infinite opportunities for living it.
That's a difficult expectation to fulfil, particularly at a festival where all comedy-watchers have infinite opportunities to experience the thrill of the new.
The grueling hours, staffing headaches, infinite opportunities for employee theft and supplier deception, obnoxious customers and reams of regulations should be enough to make any sane person avoid such a career.
And although there are few good names mixed in the bunch, including BP Amoco, Tandy, and Kmart, seven companies are just not enough in this Internet world of infinite opportunities.
