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Showing results for vaccine. Search instead for vaccines.
Definitions

vaccine

[vak-seen, vak-seen, -sin] / vækˈsin, ˈvæk sin, -sɪn /
NOUN
antitoxin
Synonyms
STRONG
antibiotic antibody antiseptic antiserum antivenin medicine preventive serum
WEAK
antipoison counteractant counteragent neutralizer
NOUN
booster shot
Synonyms
WEAK
booster booster dose booster injection immunization recall dose
NOUN
injection
Synonyms
STRONGEST
dose needle
STRONG
booster dram enema inoculation
NOUN
medicine
Synonyms
STRONGEST
antibiotic cure drug medication pharmaceutical pill prescription remedy
STRONG
anesthetic antidote antiseptic antitoxin balm capsule dose elixir injection inoculation liniment lotion medicament ointment physic potion salve sedative serum tablet tincture tonic vaccination
WEAK
biologic pharmacon
Antonyms
STRONGEST
disease
NOUN
medicine/medication
Synonyms
WEAK
anesthetic antibiotic antidote antiseptic antitoxin balm biologic capsule cure dose drug elixir injection inoculation liniment lotion medicament ointment pharmaceutical pharmacon physic pill potion prescription remedy salve sedative serum tablet tincture tonic vaccination
NOUN
serum
Synonyms
STRONGEST
antibody
STRONG
agglutinin agglutinogen antigen antiserum
WEAK
agglutinoid immunizer immunotoxin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Before the measles vaccine was widely available in the U.S., around 400 to 500 children would die from measles and its complications each year.

From Salon • Apr. 8, 2026

Despite its impact, there is still no approved vaccine or targeted treatment.

From Science Daily • Apr. 6, 2026

For older children or adults, a MenB vaccine or booster costs about £220 privately.

From BBC • Apr. 3, 2026

Could a patient sue a doctor who counsels against the measles vaccine in the midst of an outbreak?

From Slate • Mar. 31, 2026

One of these days, a virus will get out of hand, and no vaccine or cure will be able to stop it.

From "Legend" by Marie Lu