Stratospheric
/strˌætəˈsfɪrɪk/
Listen pronunciation
Definition
(adj) Of, relating to, or occurring in the stratosphere (“the region of the uppermost atmosphere”).
Sentence Examples
The plane flew at a very high and mostly stratospheric altitude.
Stratospheric means relating to the second layer of atmosphere.
CEFR Practice Quiz
The record-breaking costs of the project reached a ____ level that was far higher than we expected.