Word parts

change

impossible + -ly

Pronunciation

change

Adverb

change

Positive
impossibly

Comparative
none

Superlative
none

  1. If something is impossibly difficult, expensive, far, etc. it is so much so that it is not possible.
    The test is impossibly difficult for me.
    The equipment would have to be impossibly precise to detect such a small change.
  2. If something is impossibly large, beautiful, blue, etc. it is very much so.
    It will take time to convince him, he is impossibly stubborn.