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Synonyms

overdose

American  
[oh-ver-dohs, oh-ver-dohs, oh-ver-dohs] / ˈoʊ vərˌdoʊs, ˈoʊ vərˌdoʊs, ˌoʊ vərˈdoʊs /

noun

overdosed, overdosing
  1. OD.


overdose British  

noun

  1. (esp of drugs) an excessive dose

"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

verb

  1. to take an excessive dose or give an excessive dose to

"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

Other Word Forms

  • overdosage noun

Etymology

Origin of overdose

First recorded in 1680–90; over- + dose

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The agency reported that deaths related to drug overdose decreased by more than 26% between 2023 and 2024, marking the largest year-to-year drop in those types of fatalities recorded by the federal government.

From The Wall Street Journal • Jan. 29, 2026

Evidence came from individual patient case reports and animal studies, particularly in severe overdose cases.

From Science Daily • Jan. 18, 2026

Adichie's sister-in-law, Dr Anthea Esege Nwandu, a physician and professor with decades of experience, said she had been told the boy had been administered an overdose of propofol, to sedate him to conduct MRI tests.

From Barron's • Jan. 14, 2026

In Maine, an $88 million federal funding cut left public health programs — including vaccination clinics, community health services, and overdose prevention outreach — on the brink of collapse.

From Salon • Dec. 12, 2025

When pickled and eaten, these Murtlap growths promote resistance to curses and jinxes, though an overdose may cause unsightly purple ear hair.

From "Fantastic Beasts and Where to Find Them" by J.K. Rowling