uprightPronunciation: /ˈʌprʌɪt/Translate upright | into French | into German | into Italian | into Spanish Definition of upright adjective 1(of a person) sitting or standing with the back straight: an upright posture placed in a vertical position:upright stone slabs denoting a device designed to be used in a vertical position:an upright vacuum cleaner (of a piano) having vertical strings. denoting a chair with a straight back and typically no arms. 2greater in height than breadth:an upright freezer 3strictly honourable or honest:an upright member of the community adverb in or into an upright position:she was sitting upright in bed noun 1a post or rod fixed vertically, especially as a structural support:the stone uprights of the parapet 2an upright piano: a first-class upright that would satisfy an amateur pianistDerivatives uprightly adverb Origin: Old English upriht, of Germanic origin; related to Dutch oprecht and German aufrecht (see up, right)upright in other Oxford dictionaries Definition of upright in the US English dictionary