underdosed

Verb

underdose (third-person singular simple present underdoses, present participle underdosing, simple past and past participle underdosed)

1. (intransitive, transitive) To administer an inadequate dose (to someone or to oneself).
   • 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.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
2. (transitive) To administer an inadequate dose of (a medication).
   • […] a Child new-born may take an eighth or tenth part of a paper, a Child of a year old a quarter of a paper or a sixth part, 2, 3, or 4 years old a third 5, 6, 7, half a paper, &c. for you cannot hurt if you over or under dose it a little; the Medicine being safe.1679, Richard Fletcher, “Directions for the Use of that Excellent Medicine Fletcher’s Powder”, in The Vertues of that Well-Known and Often Experienced Medicine Fletcher’s Powder, London, page 6
3. (figuratively, intransitive) To use a scant or inadequate amount of an ingredient or product.
   • My advice is to slightly under-dose on the whiskey in Delia’s recipe, who I imagine went for a rather better bottle than I did.2016 November 4, Stephen Bush, “Delia’s Christmas cake recipe takes a little bit of practice”, in The Guardian

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