dose UK /ˈdəʊ̯s/US /ˈdoʊ̯s/noun 6verb 4forms 3 noun6 •an amount of medicine that is right to take at one timeWhy did he give you only a single 500 mg dose? The correct dosage of this antibiotic is one 500 mg tablet twice a day for 10 days. •The quantity of an agent (not always active), substance, or radiation administered or experienced at any one time. •(figurative) A good measure or lengthy experience of something.a healthy dose of skepticism. •(informal, old-fashioned) A venereal infection.Don't give a dose to the one you love most. / Give her some marmalade... give her some toast. — 1972 •(Ireland, informal) A cold; a common, viral illness of the nasal passage, sometimes with fever.There's a dose going round. •(figurative, old-fashioned) Anything disagreeable that must be taken. verb4 •To administer a dose (of medicine) to."She thought herself broad awake, and I have dosed her with an opiate." — 1871 •To surreptitiously administer a dose of an incapacitating drug (to an unwilling subject); to roofie. •To prescribe a dose. •(slang, old-fashioned) To transmit a venereal disease to.Sometime back, one of your scarlet sisters dosed me proper. — 1977 formsdosed · dosing · doses