IPA: /ˈlɛŋθi.nəs/
KK: /ˈlɛŋθɪnəs/
The quality or state of being long or extended in duration or size.
The lengthiness of the report made it difficult for the audience to stay engaged.
Lengthiness → It is formed from "length" (from Old English "length", meaning the measurement of something from end to end) and "-iness" (meaning the quality of being). The word "lengthiness" refers to the quality of being long or having length.
Think of 'length' as the measurement of something from end to end, and '-iness' indicates a quality. This helps you remember that 'lengthiness' means the quality of being long.