over·dose
ˈō-vər-ˌdōs 
1
: too great a dose (as of a therapeutic agent)
also
: a lethal or toxic amount (as of a drug)
2
: an excessive quantity or amount
an overdose of fun
over·dose
ˌō-vər-ˈdōs
overdosed; overdosing; overdoses
: to give an overdose or too many doses to
: to take or experience an overdose
—usually used with on
Examples of overdose in a Sentence
Noun
She died from a cocaine overdose.
Recent Examples on the Web
Rachel Hale, USA Today, 10 Sep. 2025
In 1998, Sheen had a stroke after an overdose, but then quickly left rehab.
—Michael Schneider, Variety, 10 Sep. 2025
Becca Longmire, PEOPLE, 4 Sep. 2025
At that point, the director focuses on the months leading up to the day his son tragically overdosed on fentanyl in the family bathroom in Cambridge.
—Jordan Mintzer, HollywoodReporter, 3 Sep. 2025
See All Example Sentences for overdose
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Noun
In 2022, her father died of an overdose, and just 16 months later, her mother died by suicide.
—Rachel Hale, USA Today, 10 Sep. 2025
In 1998, Sheen had a stroke after an overdose, but then quickly left rehab.
—Michael Schneider, Variety, 10 Sep. 2025
Verb
In August of last year, she was then taken to the ER after overdosing on antidepressants and paracetamol, according to The Times.
—Becca Longmire, PEOPLE, 4 Sep. 2025
At that point, the director focuses on the months leading up to the day his son tragically overdosed on fentanyl in the family bathroom in Cambridge.
—Jordan Mintzer, HollywoodReporter, 3 Sep. 2025
See All Example Sentences for overdose
Cite this Entry
“Overdose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overdose. Accessed 17 Sep. 2025.
Copy CitationKids Definition
overdose
2 of 2 verb
over·dose
ˌō-vər-ˈdōs
1
: to give an overdose or too many doses to
2
: to take or experience an overdose
overdosed on heroin
Medical Definition
overdose
1 of 2 noun
over·dose
ˈō-vər-ˌdōs
: too great a dose (as of a therapeutic agent)
an overdose of exposure to the sun—Morris Fishbein
Morris Fishbein
also
: a lethal or toxic amount (as of a drug)
overdose
2 of 2 verb
over·dose
ˌō-vər-ˈdōs
overdosed; overdosing
: to give an overdose or too many doses to
: to take or experience an overdose
—usually used with on
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