Definitions
so steep as to be nearly vertical
Word origin
Derived from Middle French perpendiculaire, from Old French perpendiculer, from Latin perpendiculum (“plumb line”).
Used in a sentence
“In most houses, the walls are perpendicular to the floor.”
“Hey, I'm not unsabotaging anything! This is completely perpendicular sabotage!”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“At right angles”13 letters
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