Uncountable Nouns That Start with DEF and End with N

Explore 25 verified English uncountable nouns starting with DEF and ending with N, including Definition, Defamation, Deflation, Deflection, Deforestation, Defection and Deformation. 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.

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Starts with DEFA
2 words
defamation
defalcation
Starts with DEFE4 words
defection
defecation
defenestration
defeminization
Starts with DEFI4 words
definition
defibrillation
defibrination
defiliation
Starts with DEFL7 words
deflation
deflection
defloration
deflagration
defluxion
deflocculation
deflectionization
Starts with DEFO4 words
deforestation
deformation
defoliation
deforciation
Starts with DEFR
2 words
defragmentation
defraudation
Starts with DEFU
2 words
defunctionalization
defunction

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