underdose
/ˈʌndərˌdoʊs/
noun
- An amount of a medicine or drug that is too small to be effective.
- The doctor warned that an underdose of the vaccine could leave a person unprotected.
- Taking an underdose of painkillers might not relieve your headache.
- The patient received an underdose of the antibiotic, so the infection didn't clear up.
Antonyms
verb
- To give someone too small a dose of a medicine or drug.
- If you underdose the sedative, the patient may remain awake during the procedure.
- The nurse realized she had underdosed the child and quickly corrected the error.
- Be careful not to underdose your pet when giving it flea medication.
Antonyms