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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
1680-90; over- + dose Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for overdose
Contemporary Examples
Historical Examples
  • He was found one night dead upon a doorstep, poisoned with an overdose of his drug!

  • An overdose of the opiate the doctor was giving her to ease her pain.

    A Sheaf of Corn Mary E. Mann
  • overdose of hammers,” she diagnosed, then wisely changed the subject.

    Lucile Triumphant Elizabeth M. Duffield
  • Is not lavender the only scent in the world that does not lose by an overdose?

    Riviera Towns Herbert Adams Gibbons
  • Peter had an overdose of vengeance; and now, the morning after, his conscience was gnawing at him.

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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