heady

adjective

ˈhe-dē 

headier; headiest

1

a

: willful, rash

heady opinions

b

: violent, impetuous

2

a

: tending to intoxicate or make giddy or elated

heady wine

being in such distinguished company was a heady experience

b

: giddy, exhilarated

heady with his success

c

: rich

a heady sauce

a heady variety

d

: impressive

a man of heady accomplishments

3

a

: marked by or showing good judgment : shrewd, intelligent

b

: intellectually stimulating or demanding

headily

ˈhe-də-lē 

adverb

headiness

ˈhe-dē-nəs 

noun

Synonyms of heady

• ecstatic
• giddy
• euphoric

Examples of heady in a Sentence

The plane soared to heady heights.

They were heady with their newfound success.

Recent Examples on the Web

The holiday season message comes at the end of a heady few months for Meghan, who launched her As ever brand back in February. —Simon Perry, PEOPLE, 27 Nov. 2025

The latest candle, Tall Trees, is a heady mix of coriander and bergamot, available in a classic glass or a decorative ceramic vessel. —Miranda Crowell, Better Homes & Gardens, 26 Nov. 2025

But these were heady ideas that required a far deeper level of engagement. —Chris O'Falt, IndieWire, 26 Nov. 2025

Cousin Who ‘Gardens’ Serviette Sour Diesel, $175 Founder-perfumer Trey Taylor’s heady blend of kush, pink pepper, patchouli and rhubarb evokes the kind of silage that a cannabis enthusiast’s dreams are made of. —Noor Lobad, Footwear News, 25 Nov. 2025

Word History

First Known Use

14th century, in the meaning defined at sense 1a

Rhymes for heady

• ready
• reddi
• steady
• teddy
• thready
• already
• unsteady

Kids Definition

heady

adjective

ˈhed-ē 

headier; headiest

1

: willful sense 1, rash

2

: likely to make one giddy

heady wine

a heady height

headily

ˈhed-ə-lē 

adverb

headiness

ˈhed-ē-nəs 

noun