IPA: /səbˈstænʧəl.nəs/
KK: /səbˈstæn(t)ʃəlnəs/
The quality of being large, important, or significant.
The substantialness of the project was evident in its impact on the community.
Substantialness → It is formed from "substantia" (from Latin, meaning essence or substance) and the suffix "-ness" (meaning the state or quality of). The word "substantialness" refers to the quality or state of being substantial or having substance.
Think of 'substance' as the essence of something, and '-ness' indicates a quality. This helps you remember that 'substantialness' means the quality of having substance.