stratospheric

/หŒstษนรฆtษ™หˆsfษ›ษนษชk/
adjective
  1. 1

    Of, relating to, or occurring in the stratosphere.

  2. 2

    Unusually or unreasonably high; astronomical.

    โ€œThe hotel charged stratospheric prices for a simple cooked breakfast.โ€

Source: https://en.wiktionary.org/wiki/stratospheric