[ hed-ey-kee ]

  1. having a headache.

  2. accompanied by or causing headaches: a headachy cold.

Origin of headachy

First recorded in 1820–30; headache + -y1

Words Nearby headachy

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use headachy in a sentence

  • All his sensations were dreamlike—but he felt that headachy exhaustion that comes of overwork too long continued.

    Operation: Outer Space | William Fitzgerald Jenkins
  • He went out again to the main entrance and smoked himself headachy.

    The Voice in the Fog | Harold MacGrath
  • It was gloomy, and one could scarcely see to read; a taste of fog grew perceptible in the warm, headachy air.

    New Grub Street | George Gissing
  • But the drink for tropics must not be fermented liquor: beer and wine are headachy and livery things.

    Sketches of the East Africa Campaign | Robert Valentine Dolbey
  • In America it is considered heavy and headachy; and doubtless the climate has something to do with this.

    The Art of Entertaining | M. E. W. Sherwood

British Dictionary definitions for headachy



/ (ˈhɛdˌeɪkɪ) /

  1. suffering from, caused by, or likely to cause a headache

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012