Uncountable Nouns That Start with DEF and End with S

Explore 13 verified English uncountable nouns starting with DEF and ending with S, including Defensiveness, Definiteness, Deftness, Defenselessness, Defocus, Definitiveness and Defectiveness. Sort these mass nouns and non-count terms for substances and concepts by word length for quantifier accuracy, academic writing, and ESL study below, or check quantifier and measurement rules in our noun grammar guide.