unbelievableness
The state or quality of not being believableThe state or quality of not being believable.
Meaning
1 senses(uncountable)The state or quality of not being believable.
Origin
From unbelievable + -ness.From unbelievable + -ness.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable