Thesaurus.com
Dictionary.com
Showing results for vaccine. Search instead for vaccinens.
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.

The vaccine lowers the chance of getting either strain of mpox, and of suffering from severe illness if infected.

From Los Angeles Times • Apr. 18, 2026

And all his rhetoric was deplorable: He, without any credible evidence, blames the flu vaccine for potentially triggering his SD.

From Slate • Apr. 18, 2026

He might not be sure that the flu vaccine caused his voice disorder, but he’s willing to list it as a culprit.

From Slate • Apr. 18, 2026

The vaccine didn't come in time for Laine Lewis's son Malachi, now 12 years old.

From BBC • Apr. 17, 2026

What had happened in medicine since the polio vaccine?

From "Typical American" by Gish Jen

Vocabulary lists containing vaccine

"Laws are not the only way to boost immunization”: an editorial from Nature

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

This Week In Words: February 29–March 6, 2020

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

An Explanation of Herd Immunity from "On Immunity" by Eula Biss

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!