IPA: /ˈstreɪtnəs/
KK: /ˈstreɪtnəs/
The condition of being straight or narrow, often referring to a physical space or a line.
The straitness of the road made it easy to drive.
Straightness → It is formed from "straight" (from Old English *streht*, meaning extended or direct) and "-ness" (meaning the state or quality of). The word "straightness" refers to the quality of being straight or direct.
Think of the word 'straight' which means direct or not curved, and remember that 'straightness' describes the quality of being straight.