IPA: /ˈstjuːdiəsnəs/
KK: /ˈstjuːdiəsnəs/
The quality of being very dedicated to studying and learning.
Her studiousness helped her achieve top grades in all her classes.
Studiousness is formed from "studious" (from Latin "studiosus", meaning eager or zealous) and the suffix "-ness" (meaning the state or quality of). The word describes the quality of being eager or zealous in study or learning.
Think of someone who is 'eager' ('studiosus') to learn, and the '-ness' indicates the quality of that eagerness. This helps you remember that 'studiousness' refers to the quality of being eager to study.