unnavigableness
The quality of being unnavigableThe quality of being unnavigable.
Meaning
1 senses(uncountable)The quality of being unnavigable.
Origin
From unnavigable + -ness.From unnavigable + -ness.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable