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Origin of upright

First recorded before 900; Middle English, Old English upriht (cognate with German aufrecht ); see up, right

synonym study for upright

1. Upright, erect, vertical, perpendicular imply that something is in the posture of being straight upward, not leaning. That which is upright is in a position corresponding to that of a person standing up: a decaying tree no longer standing upright; an upright piano. Erect emphasizes the straightness of position or posture: proud and erect; A flagpole stands erect. Vertical suggests upward direction, especially along the shortest line from the earth to a level above it: the vertical edge of a door; ornamented by vertical lines. Perpendicular, a term frequently interchangeable with vertical, is used especially in mathematics: the perpendicular side of a right triangle; to erect a perpendicular line from the base of a figure.

OTHER WORDS FROM upright

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use upright in a sentence

British Dictionary definitions for upright

Derived forms of upright

uprightly, adverbuprightness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with upright

upright

see bolt upright.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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