boneheadedness
The state or quality of being boneheadedThe state or quality of being boneheaded.
Meaning
1 senses(uncountable)The state or quality of being boneheaded.
Origin
From boneheaded + -ness.From boneheaded + -ness.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable