Search Dictionary
Definition of involuntary

involuntary

/ɪnˈvɑːlənˌtɛri/
in · vol · un · tar · y

Adverb:involuntarily
JUMP TO:

involuntary Lexical Profile

involuntary Game Scores & Validity

• adjective

1

Done without will, conscious control, or deliberate intention, such as a spontaneous reaction or reflex.

Example

"The sudden drop in temperature caused an involuntary shiver down her spine."


2

Done against someone's will; compulsory or forced.

Example

"Several employees were placed on involuntary leave during the corporate restructuring."


3

Relating to physiological processes, organs, or smooth and cardiac muscles that function independently of conscious mental control.

Example

"Digestion and heart rate are regulated by involuntary muscles within the autonomic nervous system."

Synonyms
View all synonyms for involuntary
Antonyms
View all antonyms for involuntary

• Rhymes for involuntary

Word Origin & Etymology

Borrowed in the late 15th century from Late Latin involuntarius ('unwilling' or 'not intentional'), formed from the privative prefix in- ('not') and voluntarius ('of one's free will'), from voluntas ('will').

Cite this Entry


Wordmom. (2026). Definition of Involuntary. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/involuntary
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.