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[noun oh-ver-dohs; verb oh-ver-dohs, oh-ver-dohs] /noun ˈoʊ vərˌdoʊs; verb ˈoʊ vərˌdoʊs, ˌoʊ vərˈdoʊs/
noun, verb, overdosed, overdosing.
Origin of overdose
First recorded in 1680-90; over- + dose Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for overdose
Contemporary Examples
Historical Examples
  • It must have been pretty powerful, too, for the doctor to warn against an overdose.

    Martians Never Die Lucius Daniel
  • I had been saved from being smothered by having taken an overdose of some narcotic.

  • That is their chief virtue—in rendering an overdose harmless.

    Jolly Sally Pendleton

    Laura Jean Libbey
  • That medicine on your wash-stand—an overdose of that and you can say it was a mistake.

    In a Little Town Rupert Hughes
  • overdose of hammers,” she diagnosed, then wisely changed the subject.

    Lucile Triumphant Elizabeth M. Duffield
British Dictionary definitions for overdose


noun (ˈəʊvəˌdəʊs)
(esp of drugs) an excessive dose
verb (ˌəʊvəˈdəʊs)
to take an excessive dose or give an excessive dose to
Derived Forms
overdosage, noun
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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Word Origin and History for overdose

1700, "an excessive dose," from over- + dose (n.).


1727, "to administer medicine in too large a dose" (transitive); from 1968 as "to take an overdose of drugs;" see over- + dose (v.). Related: Overdosed; overdosing.

Online Etymology Dictionary, © 2010 Douglas Harper
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overdose in Medicine

overdose o·ver·dose (ō'vər-dōs')
An excessive dose, especially of a narcotic.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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