[ noun oh-ver-dohs; verb oh-ver-dohs, oh-ver-dohs ]
/ noun ˈoʊ vərˌdoʊs; verb ˈoʊ vərˌdoʊs, ˌoʊ vərˈdoʊs /

noun, verb, o·ver·dosed, o·ver·dos·ing.

Origin of overdose

First recorded in 1680–90; over- + dose
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for overdose

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 of overdose

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

Medicine definitions for overdose

[ ōvər-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.