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"upright" is also used as a crossword clue. If that's what you saw, the answer is often vertical (8 letters).
Definitions
in a vertical position; not sloping
Word origin
From Middle English upright, uppryght, upriht, from Old English upriht (“upright; erect”), from Proto-Germanic *upprehtaz, equivalent to up- + right. Cognate with Saterland Frisian apgjucht (“upright”), West Frisian oprjocht (“upright”), Dutch oprecht (“upright”), German Low German uprecht (“upright”), German aufrecht (“upright”), Swedish upprätt (“upright”), Icelandic uppréttur (“upright”).
Used in a sentence
“Fab[ell]: What meanes the tolling of this fatall chime, // O what a trembling horror ſtrikes my hart! // My ſtiffned haire ſtands vpright on my head, // As doe the briſtles of a porcupine.”
“Supported by pillows, ſhe ſat almoſt upright.”
“Upright posture evolved well before an enlarged brain in hominids.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Vertical”7 letters
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