Standard Lemma guide

underdose

noun · verb · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

An inadequate dose (of a medication).

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

An inadequate amount of something.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To administer an inadequate dose (to someone or to oneself).

Definition source: English Wiktionary via Wiktextract

Usage: intransitive, transitive

Examples

  • 1945, Alexander Fleming, Nobel acceptance speech, cited in Jenny Rohn, “The hunt is on for new antibiotics—but we have to start looking outside the lab,” The Guardian, 19 February, 2015, The time may come when penicillin can be bought by anyone in the shops. Then there is the danger that the ignorant man may easily underdose himself and by exposing his microbes to non-lethal quantities of the drug make them resistant.
  • 2016, Kelly Close, letter to the editor, The New York Times, 29 February, 2016, It is true that insulin costs are high; as a result some patients may underdose. We need better reimbursement to address that.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

verb

Meaning 4

To administer an inadequate dose of (a medication).

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

verb

Meaning 5

To use a scant or inadequate amount of an ingredient or product.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively, intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From under- + dose, by analogy with overdose.