(Not straight) it is tilted/leaning /sloping down a bit? http://www.heightdb.com/blog/best-time-of-day-to-measure-your-height I couldn't find a better image which meet my doubts . What I want to know that if something horizontal is not exactly straight ,but it is higher or lower at the other end. What Should I call this? (Not straight) it is tilted/leaning /sloping (up/down a bit)?