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[pee-kee] /ˈpi ki/
adjective, peakier, peakiest.
peaked2 .
Origin of peaky
1870-75; peak(ed)2 + -y1
Related forms
peakily, adverb
peakiness, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for peaky
  • But the tulips stood up twice as stiff as before, and they looked quite peaky in the face and quite red, for they had been vexed.
  • Both air conditioners and distribution transformers have peaky loads that strongly correlate to overall system loads.
  • Both these equipment types have peaky loads that are strongly correlated to the overall electric system peak.
British Dictionary definitions for peaky


adjective -kier, -kiest
wan, emaciated, or sickly
Word Origin
C16: of uncertain origin
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
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