Frank J. Wilstach, comp. A Dictionary of Similes. 1916.
Upright
Upright as a ramrod.
—Anonymous
Upright as a sentinel.
—Anonymous
As upright as a stake.
—Anonymous
Upright as a young apple tree.
—R. D. Blackmore
Upright, like a taper.
—Osmanli Proverb
Upright as a tower.
—Charles Reade
Upright as a wooden sentinel at the door of a puppet-show.
—Sir Walter Scott
Upright as the cedar.
—William Shakespeare
Upright as a wild Morisco.
—William Shakespeare
Upright as a sheer cliff’s wall.
—Algernon Charles Swinburne
Upright as an heap.
—Old Testament