Définitions
1.AdverbUpward and downward, alternately."the tide goes up and down; my blood pressure goes up and down; She looked me up and down and hinted that I could do with losing some weight.; I quickly eyed the building up and down."
2.AdverbForwards and backwards alternately along a path."walk up and down the corridor"
3.AdverbStaunchly, unwaveringly, obstinately."He swore up and down that he hadn't taken the money."
4.AdverbIn various places, e.g., in a country.
5.AdjectiveVertical; perpendicular; said of the cable when the anchor is under, or nearly under, the hawse hole, and the cable is taut.
6.AdjectivePlain; downright."an up and down honest man"
7.AdjectiveOf a building, having two stories.