• synonyms


verb (used with object), su·per·charged, su·per·charg·ing.
  1. to charge with an abundant or excessive amount, as of energy, emotion, or tension.
  2. to supply air to (an internal-combustion engine) at greater than atmospheric pressure.
  3. pressurize(def 3).
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Origin of supercharge

First recorded in 1760–70; super- + charge
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for supercharge


verb (tr)
  1. to increase the air intake pressure of (an internal-combustion engine) with a supercharger; boost
  2. to charge (the atmosphere, a remark, etc) with an excess amount of (tension, emotion, etc)
  3. to apply pressure to (a fluid); pressurize
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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

Word Origin and History for supercharge


1919, originally of internal combustion engines, from super- + past tense of charge (v.). Related: Supercharged; supercharging.

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Online Etymology Dictionary, © 2010 Douglas Harper