sheerly

adverb3

1. •
   Absolutely; purely; quite.

   • On a sheerly technical plane, the projections used for the backgrounds were very effective, particularly in the third act, where a sunset faded most convincingly. — 1988
2. •
   At a very steep angle; precipitously.

   • The pit dropped sheerly from my feet, but a little way along, the rubbish afforded a practicable slope to the summit of the ruins. — 1898
3. •
   (no longer used) At once.