1 involuntarily | Definition of involuntarily

involuntary

adjective
in·​vol·​un·​tary | \ (ˌ)in-ˈvä-lən-ˌter-ē How to pronounce involuntary (audio) , -ˌte-rē\

Definition of involuntary

1 : done contrary to or without choice
3 : not subject to control of the will : reflex

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Other Words from involuntary

involuntarily \ (ˌ)in-​ˌvä-​lən-​ˈter-​ə-​lē How to pronounce involuntarily (audio) , -​ˈte-​rə-​ \ adverb
involuntariness \ (ˌ)in-​ˈvä-​lən-​ˌter-​ē-​nəs How to pronounce involuntariness (audio) , -​ˌte-​rē-​ \ noun

Examples of involuntary in a Sentence

Breathing and circulation are involuntary processes. When the door burst open, she let out an involuntary shriek.
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Recent Examples on the Web

Only a handful of the city's mentally ill and drug-addicted qualify for involuntary care under a new law passed by the Board of Supervisors this year. Dominic Fracassa, SFChronicle.com, "SF counts 4,000 homeless, addicted and mentally ill, but timeline for help still unclear," 4 Sep. 2019 Denver hasn’t seen that much involuntary turnover in its recent history. Andrew Kenney, The Denver Post, "New Denver council challenges Mayor Michael Hancock’s power," 29 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'involuntary.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of involuntary

15th century, in the meaning defined at sense 1

History and Etymology for involuntary

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

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More Definitions for involuntary

involuntary

adjective

English Language Learners Definition of involuntary

: not done or made consciously
: not done by choice

involuntary

adjective
in·​vol·​un·​tary | \ in-ˈvä-lən-ˌter-ē How to pronounce involuntary (audio) \

Kids Definition of involuntary

1 : not done consciously an involuntary whimper
2 : not done by choice involuntary labor

Other Words from involuntary

involuntarily \ ˌin-​ˌvä-​lən-​ˈter-​ə-​lē \ adverb

involuntary

adjective
in·​vol·​un·​tary | \ (ˈ)in-ˈväl-ən-ˌter-ē How to pronounce involuntary (audio) \

Medical Definition of involuntary

: not subject to control of the will : reflex involuntary contractions

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involuntary

adjective
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