The phrase "accessible at least" is correct and usable in written English.
It can be used to indicate that something is available or reachable to a certain degree, often implying that there may be other options or levels of accessibility.
Example: "The information is accessible at least through the online portal, even if the physical library is closed."
Alternatives: "at a minimum accessible" or "at the very least accessible".
But it is not just this fact that makes Clooney so accessible (at least in my imagination).
Previous speakers may have been just as autocratic, but were more accessible, at least giving colleagues the impression that they were being listened to.
"I" does the legwork, and ultimately it is the legwork, more than the speculation, the philosophy, the sometimes less-than-haunting haunts and identity games, that is the most accessible, at least to this reader.
This year's FrightFest has its own small but significant set of category-defying curiosities, accessible – at least in one sense of the word – to anyone willing to hunt them down.
Therefore, the field needs to focus on finding ways to make data openly accessible, at least to health authorities and researchers, and ideally to the community at large.
But Plato must have thought that precision should at least be aimed for, if life is to be based on a harmonious order that is accessible, at least to a certain degree, to human knowledge.
Perhaps Hawking's greatest achievement is that he could make all this accessible, or at least approachable.
Reactive cysteines, therefore, are expected to be those projecting into either the anion conduction path or some crevice that is water-accessible and probe-accessible during at least some phase of the gating cycle.
And it was broadly accessible, or at least it was spoken of that way.
Not only does it render a play accessible (on at least a narrative level) to an inexperienced theatregoer, it also encourages the widest possible scope for interpretation.
Those of us who browse used-book stores are now thinking, "Wait, aren't there already a thousand books to make Zen accessible?" For at least two reasons Zen has produced an Ikea shelf of idiots' guides.
