IPA: /ˈθɔrnɪnəs/
KK: /ˈθɔrnɪnəs/
The quality or state of having thorns, or being difficult and challenging.
The thorniness of the issue made it hard to discuss openly.
Thorniness → It is formed from "thorn" (from Old English "þorn", meaning a sharp, pointed growth on a plant) and "-iness" (meaning the quality of being). The word "thorniness" refers to the quality of being thorny or having thorns.
Think of a 'thorn' as a sharp point on a plant, and '-iness' indicates a quality. So, thorniness means the quality of having sharp points.