English edit

Etymology edit

From inbearable +‎ -ly.

Adverb edit

inbearably (comparative more inbearably, superlative most inbearably)

  1. (non-native speakers' English) Misconstruction of unbearably.
    • 1995, Brittany Young, Jenni Finds A Father, page 258:
      Twelve loveless months seemed inbearably long to Tess and Alec.