Past tense of inactivate
regular verb
The past tense of inactivate is inactivated. The past participle is also inactivated.
Forms of inactivate
| Base form (V1) | inactivate /ɪˈnæktɪveɪt/ |
|---|---|
| Past tense (V2) | inactivated |
| Past participle (V3) | inactivated |
| Present participle | inactivating |
| Third person singular | inactivates |
Inactivated in a sentence
- 'Computer inactivated,' Crawford reported.1974, Larry Niven, Jerry Pournelle, The Mote in God's Eye
- The chaotropic salt inactivated the catalytic function of the peptide.From the entry chaotropic
- If disinfectant hand washes are used remember they are inactivated by soap.1992, Leo Palladino, June Hunt, “Guidelines to Hygienic Manicuring”, in The Nail File, Basingstoke, Hants.: Macmillan Education Ltd…. From the entry hand wash
- Kinoids are composed of inactivated cytokines conjugated to a carrier protein, keyhole limpet hemocyanin (KLH), and are then injected as an emulsion with an adjuvant.2013 February, Bernard R. Lauwerys, Eric Hachulla, François Spertini et al., “Down-regulation of interferon signature in systemic lupus…. From the entry kinoid
Meaning of inactivate
- verb To make inactive.
Questions about the past tense of inactivate
- What is the past tense of inactivate?
- The past tense of inactivate is inactivated.
- What is the past participle of inactivate?
- The past participle of inactivate is inactivated.
- Is inactivate a regular or irregular verb?
- Inactivate is a regular verb: its past tense adds -d.
Source and license
Adapted from Wiktionary: inactivate (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 inactivate.” Word.ws, https://word.ws/past-tense/inactivate. Based on Wiktionary, CC BY-SA 4.0.