1. a fundamental, intrinsic, or characteristic quality or condition: seraphic indifference to the suchness of his surroundings.
  2. Buddhism. Tathata.

Origin of suchness

before 1000; Old English swilcnesse (not recorded in ME); see such, -ness Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for suchness

Historical Examples of suchness