Extremely unusual; something that is extraordinary or unparalleled.

ऐसा कुछ जो असामान्य या अद्वितीय हो

English Usage: The performance was like nothing on earth; I've never experienced anything like it.

Hindi Usage: वह प्रदर्शन अतुलनीय था; मैंने ऐसा कुछ कभी अनुभव नहीं किया।