IPA: /prəˈdɪdʒ.əs.nəs/
KK: /prəˈdɪdʒ.əs.nəs/
The quality of being very impressive or extraordinary in size, amount, or degree.
The prodigiousness of the mountain range left the hikers in awe.
Prodigiousness → It is formed from "prodigious" (from Latin *prodigiosus*, meaning extraordinary or marvelous) and "-ness" (meaning the state or quality of). The word "prodigiousness" refers to the state of being extraordinary or remarkable.
Think of something that is 'extraordinary' ('prodigious') and remember that 'prodigiousness' means the quality of being extraordinary.