| upright | (noun) a piano with a vertical sounding board | Synonyms: upright piano |
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| (noun) a vertical structural member as a post or stake | Synonyms: vertical |
| uprightness | (noun) righteousness as a consequence of being honorable and honest | Synonyms: rectitude |
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| (noun) position at right angles to the horizon | Synonyms: erectness, verticality, verticalness |
| (noun) the property of being upright in posture | Synonyms: erectness |
| uprising | (noun) organized opposition to authority; a conflict in which one faction tries to wrest control from another | Synonyms: insurrection, rebellion, revolt, rising |
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