IPA: /ˈrʌɡɪdnəs/
KK: /ˈrʌɡɪdnəs/
The quality or condition of being rough, strong, and sturdy, often used to describe landscapes or materials.
The ruggedness of the mountains made them a challenging but beautiful hiking destination.
Ruggedness → It is formed from "rugged" (from Middle English *rugged*, meaning rough or uneven) and the suffix "-ness" (meaning the state or quality of). The word "ruggedness" refers to the quality of being rough or uneven.
Think of the word 'rugged' which means rough or uneven, and remember that 'ruggedness' describes the quality of being rough.