Past tense of vaccinate
regular verb
The past tense of vaccinate is vaccinated. The past participle is also vaccinated.
Forms of vaccinate
| Base form (V1) | vaccinate /ˈvæksɪneɪt/ |
|---|---|
| Past tense (V2) | vaccinated |
| Past participle (V3) | vaccinated |
| Present participle | vaccinating |
| Third person singular | vaccinates |
Vaccinated in a sentence
- You must have been vaccinated with a phonograph needle!1933, Groucho Marx, Duck Soup (movie)
- The county Health Department will provide free tetanus shots from 10 a.m. to 2 p.m. today in Turtle Creek for flood victims and cleanup workers who haven't been vaccinated against the disease in the past 10 years.1997 July 8, “Tetanus shots for flood workers”, in Pittsburgh Post-Gazette, page D.3
- I'll come and see you again once I'm fully vaccinated.From the entry vaccinated
- Shots also are advised for older children if parents want their kids vaccinated, the AAP said.2025 August 19, Mike Stobbe, “US pediatricians’ new COVID-19 shot recommendations differ from CDC advice”, in AP News, archived from the…. From the entry AAP
- He also said that he would not use his platform to publicly encourage others to be vaccinated.2021 September 28, Scott Cacciola, “LeBron James said he was vaccinated, after previously evading the question.”, in The New York Times…. From the entry platform
Meaning of vaccinate
- verb To treat (a person or an animal) with a vaccine to produce immunity against a disease.
Questions about the past tense of vaccinate
- What is the past tense of vaccinate?
- The past tense of vaccinate is vaccinated.
- What is the past participle of vaccinate?
- The past participle of vaccinate is vaccinated.
- Is vaccinate a regular or irregular verb?
- Vaccinate is a regular verb: its past tense adds -d.
Source and license
Adapted from Wiktionary: vaccinate (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.
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Cite this page: “Past tense of vaccinate.” Word.ws, https://word.ws/past-tense/vaccinate. Based on Wiktionary, CC BY-SA 4.0.