Stratospheric (adjective)

1. Of or relating to the stratosphere.
2. Extremely high, as if in the stratosphere.
3. Extraordinary, exceptional.

Origin:

Compound word of stratosphere and -ic, it is a recent term, likely to have been formed in the last century.

Examples:

1. Stratospheric temperatures were recorded in the upper atmosphere.
2. Stratospheric ozone levels were measured by the satellite.
3. The stock market reached stratospheric heights.
4. The singer's stratospheric voice mesmerized the audience.
5. The company's profits were stratospheric.