Past tense of infect
regular verb
The past tense of infect is infected. The past participle is also infected.
Forms of infect
| Base form (V1) | infect /ɪnˈfɛkt/ |
|---|---|
| Past tense (V2) | infected |
| Past participle (V3) | infected |
| Present participle | infecting |
| Third person singular | infects |
Infected in a sentence
- Not everyone will be infected when an epidemic strikes.
- It did not help when she learned that someone living in a building near her own, in Siu Sai Wan, had been infected by the virus.2020 February 18, Isabella Kwai, “How a Pharmacy Handles Mask Hoarders and Coronavirus Fears”, in The New York Times, →ISSN, →OCLC...
- The man became infected with flukes after eating a meal of raw fish.From the entry fluke
- The most common symptom is a mild mottle on the youngest leaves of infected plants.From the entry mottle
- Her leg is infected. Still worse, she's developing a fever.From the entry worse
Meaning of infect
- verb To bring (the body or part of it) into contact with a substance that causes illness (a pathogen), so that the pathogen begins to act on the body; (of a pathogen) to come into contact with (a body or body part) and begin to act on it.
- verb To contaminate (an object or substance) with a pathogen.
- verb To make somebody enthusiastic about one's own passion, or to communicate a feeling to others, or a feeling communicating itself to others.
Questions about the past tense of infect
- What is the past tense of infect?
- The past tense of infect is infected.
- What is the past participle of infect?
- The past participle of infect is infected.
- Is infect a regular or irregular verb?
- Infect is a regular verb: its past tense adds -ed.
Source and license
Adapted from Wiktionary: infect (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.
Last updated:
Cite this page: “Past tense of infect.” Word.ws, https://word.ws/past-tense/infect. Based on Wiktionary, CC BY-SA 4.0.