unusedness
The quality of not having been usedThe quality of not having been used.
Meaning
2 senses(uncountable)The quality of not having been used.
(uncountable)The quality of being unaccustomed.
Origin
From unused + -ness.From unused + -ness.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable