Describes a condition or situation that is as high as the level of one's knees.
From the phrase knee high, which refers to the height or level that reaches up to knee level.
- The grass was knee-high, making it hard to walk through.
- He was wearing knee-high boots.
- The water in the flood was knee-high in some areas.
- She had on a knee-high dress that showed off her legs.
- The snow was knee-high and it was hard to walk.