/ vɜːˈtɪdʒɪnəs; NAmE vɜːrˈt-/ adjective
( formal ) causing a feeling of vertigo
SYN dizzying :
From the path there was a vertiginous drop to the valley below.
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WORD ORIGIN
early 17th cent.: from Latin vertiginosus , from vertigo whirling about, from vertere to turn.