Strong emphasis on unusual:
* Extraordinary: This word implies something that goes beyond the ordinary, exceeding expectations.
* Unprecedented: This word suggests something that has never happened before, making it truly unique.
* Outlandish: This word suggests something that is bizarre or eccentric, perhaps even shocking in its unusualness.
* Singular: This word emphasizes the uniqueness and distinctness of the thing being described.
Strong emphasis on remarkable:
* Exceptional: This word implies something that is outstanding and above average.
* Remarkable: This is a more straightforward way of saying something is worthy of notice or admiration.
* Noteworthy: This word highlights the significance and importance of something that stands out.
* Impressive: This word conveys a sense of awe and admiration for something that is truly impressive.
Other options:
* Astonishing: This word emphasizes the sense of wonder and amazement that something inspires.
* Phenomenal: This word suggests something extraordinary and perhaps even inexplicable.
* Prodigious: This word implies something that is impressive in its size, scope, or power.
* Spectacular: This word emphasizes the visual impact and beauty of something extraordinary.
The best word to use will depend on the specific context and the desired emphasis.