IPA: /ˈdræb.nəs/
KK: /dræbnəs/
The quality of being dull, lacking brightness, or being uninteresting.
The drabness of the landscape made the hike feel longer than it was.
Drabness is formed from "drab" (from Middle English *drabbe*, meaning dull or faded) and the suffix "-ness" (meaning the state or quality of). The word "drabness" refers to the quality of being dull or lacking brightness.
Think of the word 'drab' meaning dull or faded, and remember that 'drabness' describes the state of being dull.