dizzy

[diz-ee]

adjective

dizzier, dizziest 

1. having a sensation of whirling and a tendency to fall; giddy; vertiginous.

2. bewildered; confused.

3. causing giddiness or confusion.

   a dizzy height.

4. heedless; thoughtless.

5. Informal.,  foolish; silly.

verb (used with object)

dizzied, dizzying 

1. to make dizzy.

dizzy

/ ˈdɪzɪ /

adjective

1. affected with a whirling or reeling sensation; giddy

2. mentally confused or bewildered

3. causing or tending to cause vertigo or bewilderment

4. informal,  foolish or flighty

verb

1. (tr) to make dizzy

Other Word Forms

• dizzily adverb
• dizziness noun

Word History and Origins

Origin of dizzy¹

First recorded before 900; Middle English dysy, Old English dysig “foolish”; cognate with Low German düsig “stupefied”

Word History and Origins

Origin of dizzy¹

Old English dysig silly; related to Old High German tusīg weak, Old Norse dos quiet

Example Sentences

The dizzying fundraising frenzy has raised several uncomfortable questions about the expensive valuations commanded by these often-unprofitable newbie companies.

Read more on BBC

The robust stock-market rally this year, boosted by a dizzying AI frenzy, has prompted many to sound the alarm on a possible bubble.

Read more on MarketWatch

In addition to disinformation, Brussels identifies two major threats to the bloc: cyberattacks and the dizzying development of artificial intelligence.

Read more on Barron's

A lot of women I know like Flo, but I find its many sections dizzying.

Read more on The Wall Street Journal

To some, it could look like evidence that the rise of AI — which has propelled the U.S. stock market to dizzying heights — has coincided with a deterioration in the labor market.

Read more on MarketWatch

Related Words

• dazed 
• distracted 
• dumb 
• giddy 
• groggy 
• shaky 
• wobbly 
• woozy