Added 9 October 2026 uprightness /ˌʌpˈɹaɪtnəs/ noun Categories: Describing WordsRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about uprightness at Wordnik → Where our words come from → The property of being upright in posture. Position at right angles to the horizon. Righteousness as a consequence of being honorable and honest. Related Words: rectitudeverticalityverticalnesserectnessrighteousnesshonestyupstandingnesshonourabilityhonorablenessprobityrightnessuprighteousness Back to today's word