involuntary

adjective

in·​vol·​un·​tary (ˌ)in-ˈvä-lən-ˌter-ē How to pronounce involuntary (audio)
-ˌte-rē
1
: done contrary to or without choice
2
3
: not subject to control of the will : reflex
involuntarily adverb
involuntariness noun

Examples of involuntary in a Sentence

Breathing and circulation are involuntary processes. When the door burst open, she let out an involuntary shriek. The lawyer argued that the client's confession was involuntary.
Recent Examples on the Web The legislation allows family members to petition for the involuntary treatment of people debilitated by drug abuse. The Arizona Republic, 13 Mar. 2024 Both already were involuntary guests at the Indian River County Sheriff’s Office Jail on unrelated grand theft charges, Baglin since February and Abad since December. David J. Neal, Miami Herald, 26 Feb. 2024 Your involuntary hospitality will likely result in an academic publication with your name on it. Jack Murtagh, Scientific American, 24 Jan. 2024 Among other points, the tribes said Reclamation must reject any plan that would force the five Colorado River Valley tribes, four of which have lands and water rights in Arizona, to accept involuntary or uncompensated reductions. The Arizona Republic, 24 Mar. 2024 The main difference, of course, is that Britney Spears had been under involuntary conservatorship for more than a decade and had been deemed mentally unwell as a legal matter. Ginia Bellafante, New York Times, 22 Mar. 2024 Will this measure drive people into involuntary treatment? Nothing in the measure itself deals with involuntary inpatient treatment. Andrew Sheeler, Sacramento Bee, 4 Mar. 2024 Preston Lord case: Deputies reassigned after suspect's parents get special treatment Arizona may expand involuntary psychiatric care — even with a flawed system. The Arizona Republic, 15 Mar. 2024 Job performance was the top reason for most of the position levels for reason someone left involuntary with 15% for executives; 41% for managers; 35% for office and technical workers; and 47% for production workers. Ricardo Torres, Journal Sentinel, 12 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'involuntary.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English involuntari, from Late Latin involuntarius, from Latin in- + voluntarius voluntary

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of involuntary was in the 15th century

Dictionary Entries Near involuntary

Cite this Entry

“Involuntary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/involuntary. Accessed 18 Apr. 2024.

Kids Definition

involuntary

adjective
in·​vol·​un·​tary (ˈ)in-ˈväl-ən-ˌter-ē How to pronounce involuntary (audio)
1
: not made or done willingly or from choice : unwilling
2
: being enforced or required : mandatory
3
: not normally under the control of the will
an involuntary response to a stimulus
involuntarily adverb

Medical Definition

involuntary

adjective
in·​vol·​un·​tary (ˈ)in-ˈväl-ən-ˌter-ē How to pronounce involuntary (audio)
: not subject to control of the will : reflex
involuntary contractions

Legal Definition

involuntary

adjective
in·​vol·​un·​tary in-ˈvä-lən-ˌter-ē How to pronounce involuntary (audio)
: done, made, or initiated contrary to or without one's choice
an involuntary confession
an involuntary lien
an involuntary plaintiff joined in the action
involuntarily adverb

More from Merriam-Webster on involuntary

Last Updated: - Updated example sentences
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