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Foreign.
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It's the word of the day for February 15th.
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Today's word is vertiginous Spelled V E R T I G I N O U S Vertiginous is an adjective. It's a formal adjective used to describe something that causes or is likely to cause a feeling of dizziness, especially because of great height. Here's the word used in a sentence from Travel and Leisure. The climb is infamous for its heart bumping switchbacks and vertiginous jaunt along a narrow sliver of crag. Those who fear heights, like me typically avoid it. The climactic scene of Hitchcock's classic thriller Vertigo features, appropriately, a dramatic climb and fall from a vertiginous bell tower. Vertiginous, which describes things that cause vertigo, a sensation of motion in which an individual or their surroundings seem to whirl dizzily, comes from the Latin adjective vertiginosus, which in turn comes from the Latin noun vertigo, meaning a turning or whirling action. Both words descend from the Latin verb vertere, meaning to turn. Vertiginous and vertigo are just two of an almost dizzying array of verterae offspring, from the word adverse to the word vortex. The dizzying sense of vertiginous is often used figuratively, as in the vertiginous heights of cinematic legend. With your word of the day, I'm Peter Sokolowski.
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Visit merriam webster.com today for definitions, wordplay and trending word lookups.
Episode: Vertiginous
Date: February 15, 2026
Host: Peter Sokolowski (on behalf of Merriam-Webster)
This episode of Merriam-Webster’s Word of the Day explores the word "vertiginous". Host Peter Sokolowski delves into its definition, usage (both literal and figurative), etymology, and related words, illustrating how it vividly captures physical and emotional sensations associated with dizziness and heights.
"Vertiginous is an adjective. It's a formal adjective used to describe something that causes or is likely to cause a feeling of dizziness, especially because of great height."
— Peter Sokolowski
"The climb is infamous for its heart bumping switchbacks and vertiginous jaunt along a narrow sliver of crag. Those who fear heights, like me typically avoid it.”
[00:56]
“The climactic scene of Hitchcock's classic thriller Vertigo features, appropriately, a dramatic climb and fall from a vertiginous bell tower.”
[01:10]
“Vertiginous, which describes things that cause vertigo… comes from the Latin adjective vertiginosus, which in turn comes from the Latin noun vertigo, meaning a turning or whirling action."
— Peter Sokolowski
"The dizzying sense of vertiginous is often used figuratively, as in the vertiginous heights of cinematic legend."
[01:52]
"Vertiginous and vertigo are just two of an almost dizzying array of verterae offspring, from the word adverse to the word vortex."
[01:35]
"The climactic scene of Hitchcock's classic thriller Vertigo features, appropriately, a dramatic climb and fall from a vertiginous bell tower."
[01:10]
"Those who fear heights, like me, typically avoid it."
[01:03]
The episode highlights "vertiginous" as a precise, vivid term for describing literal or figurative sensations of dizziness—often tied to great heights or overwhelming extremes. Its rich Latin roots connect it to a family of evocative English words, making it a valuable addition for anyone looking to add depth and color to their vocabulary.