Home › Words › O › overdoseoverdose/ˈəʊvə(ɹ)ˌdəʊs/overdose · noun — an excessive and dangerous dose of a drug.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, overdose ranks #12,028 of 42,820 for Qualifying.overdose is pronounced /ˈəʊvə(ɹ)ˌdəʊs/.EtymologyFrom over- + dose.nounAn excessive and dangerous dose of a drug.e.g.“to die of a heroin overdose”verbTo dose to excess; to give an overdose, or too many doses, to someone.To dose excessively, to take an overdose.e.g.“Be careful not to overdose on those pills.”To indulge in something excessively.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.overdosing 86% match — An excessively large dose. vs overdose →overadministration 64% match — Excessive administration (of a drug) vs overdose →overmedication 63% match — Excessive medicating; overuse of medication vs overdose →oversedate 63% match — To sedate excessively. vs overdose →overmedicate 62% match — To medicate excessively vs overdose →underdose 61% match — An inadequate dose (of a medication). vs overdose →overdrink 60% match — To drink to excess. vs overdose →overdede 59% match — Overdoing; excess. vs overdose →