Word.ws English Dictionary

Past tense of quarantine

regular verb

The past tense of quarantine is quarantined. The past participle is also quarantined.

Forms of quarantine

Base form (V1)quarantine /ˈkwɔɹ.ən.tin/
Past tense (V2)quarantined
Past participle (V3)quarantined
Present participlequarantining
Third person singularquarantines

Quarantined in a sentence

  • J.F.K. "quarantined" Cuba rather than blockading it to avoid needless escalation of the conflict.
  • No computer system or even individual PC is safe from a virus unless it is isolated—quarantined, in effect—from all others.1988 Jan. 31, Los Angeles Times, p. 1
  • The actual at-risk population was limited to those directly exposed and could be quarantined or monitored.From the entry at-risk
  • The port cities were quarantined as a precautionary measure, though no cases of the disease had been found.From the entry precautionary
  • El Salvadorans or residents who return to El Salvador will be quarantined for 30 days..2020 March 12, “It's coronavirus-free, but El Salvador is banning all foreign travellers”, in The Straits Times. From the entry measure

Meaning of quarantine

  1. noun A period of 40 days, particularly.
  2. noun The 40-day period during which a widow is entitled to remain in her deceased husband's home while any dower is collected and returned.
  3. noun The 40-day period of isolation required after 1448 at Venice's lazaret to avoid renewed outbreaks of the bubonic plague and identical policies in other locations.

Full definition of quarantine

Questions about the past tense of quarantine

What is the past tense of quarantine?
The past tense of quarantine is quarantined.
What is the past participle of quarantine?
The past participle of quarantine is quarantined.
Is quarantine a regular or irregular verb?
Quarantine is a regular verb: its past tense adds -d.

Source and license

Adapted from Wiktionary: quarantine (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 quarantine.” Word.ws, https://word.ws/past-tense/quarantine. Based on Wiktionary, CC BY-SA 4.0.