Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun upright

2 senses of upright

Sense 1
upright, vertical -- (a vertical structural member as a post or stake; "the ball sailed between the uprights")
       => structural member -- (support that is a constituent part of any structure or building)

Sense 2
upright, upright piano -- (a piano with a vertical sounding board)
       => piano, pianoforte, forte-piano -- (a keyboard instrument that is played by depressing keys that cause hammers to strike tuned strings and produce sounds)

Antonyms of adj upright

3 senses of upright

Sense 1
upright, unsloped -- (in a vertical position; not sloping; "an upright post")

INDIRECT (VIA horizontal, vertical) -> inclined -- (at an angle to the horizontal or vertical position; "an inclined plane")
INDIRECT (VIA vertical, inclined) -> horizontal -- (parallel to or in the plane of the horizon or a base line; "a horizontal surface")

Sense 2
good, just, upright -- (of moral excellence; "a genuinely good person"; "a just cause"; "an upright and respectable man")

INDIRECT (VIA righteous) -> unrighteous -- (not righteous; "an unrighteous man"; "an unrighteous law")

Sense 3
erect (vs. unerect), 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")


Similarity of adj upright

3 senses of upright

Sense 1
upright, unsloped -- (in a vertical position; not sloping; "an upright post")
       => vertical (vs. inclined) (vs. horizontal), perpendicular -- (at right angles to the plane of the horizon or a base line; "a vertical camera angle"; "the monument consists of two vertical pillars supporting a horizontal slab"; "measure the perpendicular height")

Sense 2
good, just, upright -- (of moral excellence; "a genuinely good person"; "a just cause"; "an upright and respectable man")
       => righteous (vs. unrighteous) -- (characterized by or proceeding from accepted standards of morality or justice; "the...prayer of a righteous man availeth much"- James 5:16)

Sense 3
erect (vs. unerect), 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")
       => erectile -- (capable of being raised to an upright position; "erectile feathers")
       => fastigiate -- (having clusters of erect branches (often appearing to form a single column))
       => orthostatic -- (pertaining to an upright standing posture; "orthostatic hypotension")
       => passant (postnominal) -- (in walking position with right foreleg raised)
       => rampant (postnominal), rearing -- (rearing on left hind leg with forelegs elevated and head usually in profile; "a lion rampant")
       => semi-climbing -- (of plants that are semi-climbers)
       => semi-erect -- (of plants that are partly erect)
       => semi-upright -- (of animals that are partly erect)
       => standing (prenominal) -- (having a supporting base; "a standing lamp")
       => stand-up -- (requiring a standing position; "a stand-up bar"; "a stand-up comic")
       => statant (postnominal) -- (standing on four feet)
       => straight, unbent, unbowed -- (erect in posture; "sit straight"; "stood defiantly with unbowed back")