adjective

involuntary

involuntary, unintentional, unwilling

Blinking is an involuntary reflex.

Blinking is an involuntary reflex.

He gave an involuntary shudder of fear.

He gave an involuntary shudder of fear.

The company faced involuntary bankruptcy.

The company faced involuntary bankruptcy.

an ((involuntary)) ((noun)) done without conscious control. Blinking is an involuntary reflex.

Synonyms: unintentional, automatic, reflexive; Antonyms: voluntary, intentional, deliberate

From the prefix 'in-' (not) + 'voluntary' (done by free will).

The prefix 'in-' often means 'not'. So, this word literally means 'not voluntary'.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.