Meaning & use

Involuntary

adjective·Everyday

Last updated

Done without conscious control or against one's will; not deliberate.

See it in a sentence

Blinking is largely an involuntary reflex.

He gave an involuntary shudder at the sudden loud noise.

A note on using this word

In law, 'involuntary manslaughter' refers to an unintentional killing that results from reckless or negligent conduct.

Words with a similar meaning

reflexiveunintentional

Choose a synonym to suit the sentence. Meanings can overlap without being identical.

Words with an opposite meaning

voluntarydeliberate

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