When it comes to finding a perfect synonym for the word "un-recognizably," you may opt to use other words that convey the same meaning in a different manner. Some of the rephrased versions of this term could be "unfamiliarly," "disguisedly," "inconspicuously," "obscurely," and "unfathomably." Each of these words indicates a certain level of ambiguity, mistiness, or obscurity that could make it challenging to identify or recognize something accurately. Whether you choose to use any of these alternatives or stick to the original phrasing, it's important to bear in mind the context of the sentence and the overall tone of your writing to convey the intended meaning effectively.