Vertical
/vˈɜrtɪkəl/
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Definition
(adj) Standing, pointing, or moving straight up or down; parallel to the local direction of gravity; along the direction of a plumb line; perpendicular to something horizontal.
Sentence Examples
That pole is not quite vertical.
The giant plane screamed down in an almost vertical dive.
CEFR Practice Quiz
The skyscraper featured several ____ lines that made it look much taller than all the other city buildings today.