Stratospheric is an adjective used to describe something that is extremely high, elevated or lofty. It can also refer to something that is very expensive or exceeds expectations. Synonyms for stratospheric include astronomical, high-flying, towering, sky-high, steep, exorbitant, extravagant, excessive, overblown, exaggerated, and extravagant. Other synonyms for stratospheric may include lofty, elevated, supreme, superior, excellent, first-class, and outstanding. These words are commonly used to describe something that is exceptional, impressive, or outstanding in terms of quality, price, or height. When used to describe lofty goals or achievements, stratospheric synonyms convey a sense of awe, wonder, and admiration.