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Definitions

involuntary

[in-vol-uhn-ter-ee] / ɪnˈvɒl ənˌtɛr i /
ADJECTIVE
automatic; not done willingly
Synonyms
STRONGEST
compulsory forced spontaneous uncontrolled unintentional
WEAK
automatic begrudging blind conditioned grudging habitual impulsive instinctive instinctual knee-jerk obligatory reflex reflexive reluctant uncalculated unconscious unintended unmeditated unpremeditated unprompted unthinking unwilling unwitting will-less
Antonyms
STRONGEST
deliberate intended planned voluntary
WEAK
conscious intentional unforced

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I take an involuntary step back as the space seems to get tighter, pushing in on me, and my heart hammers in the hollow at the bottom of my throat.

From Literature

She now gets involuntary tremors and suffers chronic pain.

From BBC

A last resort would be a conservatorship, which is an involuntary process and takes place when a person is unable to take care of their finances.

From MarketWatch

I supposed this was James, and despite my scorn for Ma’s little ploy, an involuntary tic of curiosity ran through me.

From Literature

I cried out in pain, an involuntary guttural sound.

From Literature

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.