vortex

noun

vor·​tex ˈvȯr-ˌteks 

plural vortices ˈvȯr-tə-ˌsēz  also vortexes ˈvȯr-ˌtek-səz 

1

: something that resembles a whirlpool

… the hellish vortex of battle …

—Time

2

a

: a mass of fluid (such as a liquid) with a whirling or circular motion that tends to form a cavity or vacuum in the center of the circle and to draw toward this cavity or vacuum bodies subject to its action

especially : whirlpool, eddy

b

: a region within a body of fluid in which the fluid elements have an angular velocity

Synonyms of vortex

• gulf
• whirlpool
• maelstrom
• swirl

Examples of vortex in a Sentence

a boat sucked down into the vortex

Recent Examples on the Web

Single-digit cold invades North Around the same time as the heat starts blasting Phoenix, the polar vortex — a system that usually keeps frigid air penned up near the North Pole — is forecast to send its chill deep into the Midwest and East, even bordering some of the Southeast, Maue said. —Seth Borenstein, Los Angeles Times, 13 Mar. 2026

Normally bomb cyclones get their energy from warm ocean waters, but this one will draw power from the polar vortex. —Seth Borenstein, Chicago Tribune, 13 Mar. 2026

Polar vortex ends 'false spring' Not every cold wave is tied to the polar vortex, but this one is, AccuWeather said. —Doyle Rice, USA Today, 12 Mar. 2026

Marina, the titular child at the center of this vortex, spends hundreds of pages failing to crawl out from under her father’s intellectual shadow. —Brittany Allen, Literary Hub, 11 Mar. 2026

Word History

Etymology

New Latin vortic-, vortex, from Latin vertex, vortex whirlpool — more at vertex

First Known Use

1652, in the meaning defined at sense 1

Phrases Containing vortex

• polar vortex

Rhymes for vortex

• cortex
• neocortex

Kids Definition

vortex

noun

vor·​tex ˈvȯr-ˌteks 

plural vortices ˈvȯrt-ə-ˌsēz  also vortexes

: a mass of whirling fluid forming a cavity in the center toward which things are drawn : whirlpool

Medical Definition

vortex

transitive verb

vor·​tex ˈvȯ(ə)r-ˌteks 

: to mix (as the contents of a test tube) by means of a rapid whirling or circular motion

vortex air into a solution

vortexing noun