Definition of heady adjective from the Oxford Advanced American Dictionary

     

    heady

     adjective
    adjective
    NAmE//ˈhɛdi//
     
    (headier, headiest)
     
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  1. 1[usually before noun] having a strong effect on your senses; making you feel excited and confident synonym intoxicating the heady days of youth the heady scent of hot spices a heady mixture of desire and fear Profits grew last year by a heady 5.7%. the heady atmosphere of independence
  2. 2[not before noun] (of a person) excited in a way that makes you do things without worrying about the possible results She felt heady with success.
See the Oxford Advanced Learner's Dictionary entry: heady