heady

UK: /ˈhɛdi/ US: /ˈhɛdi/ ,(hed′ē)

Inflections of 'heady' (adj):

headier

adj comparative

headiest

adj superlative

WordReference Random House Learner's Dictionary of American English © 2025

head•y /ˈhɛdi/   adj., -i•er, -i•est. 

1. giddy;
   dizzy:
   She felt heady after her triumph in the race.
2. affecting the mind or senses greatly;
   exhilarating:
   heady wine.

WordReference Random House Unabridged Dictionary of American English © 2025

head•y  (hed′ē), adj., head•i•er, head•i•est. 

1. intoxicating:
   a heady wine.
2. affecting the mind or senses greatly:
   heady perfume.
3. exciting;
   exhilarating:
   the heady news of victory.
4. rashly impetuous:
   heady conduct.
5. violent;
   destructive:
   heady winds.
6. clever;
   shrewd:
   a heady scheme to win the election.

• Middle English hevedy, hedy. See head, -y¹ 1350–1400

head′i•ly, adv. 
head′i•ness, n. 
Synonyms

• 3. thrilling, stirring, stimulating.

Antonyms

• 3. depressing, disappointing.

Collins Concise English Dictionary © HarperCollins Publishers::

heady / ˈhɛdɪ/ adjective (headier, headiest)

1. (of alcoholic drink) intoxicating
2. strongly affecting the mind or senses; extremely exciting
3. rash; impetuous

ˈheadily adverb

ˈheadiness noun