1. (

• upright ,
• vertical

) a vertical structural member as a post or stake; "the ball sailed between the uprights" ;

2. (

• upright ,
• upright_piano

) a piano with a vertical sounding board ;

1. (

• upright ,
• unsloped

) in a vertical position; not sloping; "an upright post" ;

2. (

• good ,
• just ,
• upright

) of moral excellence; "a genuinely good person"; "a just cause"; "an upright and respectable man" ;

3. (

• erect ,
• vertical ,
• upright ,

) upright in position or posture; "an erect stature"; "erect flower stalks"; "for a dog, an erect tail indicates aggression"; "a column still vertical amid the ruins"; "he sat bolt upright" ;