involuntary

As an adjective involuntary

is without intention; unintentional.

As a noun imprisonment is

a confinement in a place, especially a prison or a jail, as punishment for a crime.

As an adjective involuntary

is without intention; unintentional.

As a verb consent is

to express willingness, to give permission.

As a noun consent is

voluntary agreement or permission.

As an adjective involuntary

is without intention; unintentional.

As an adverb unintentionally is

in an unintentional manner; not intentionally.

As adjectives the difference between involuntary and undefined

is that involuntary is without intention; unintentional while undefined is lacking a definition or value.

As an adjective involuntary

is without intention; unintentional.

As an adverb unconsciously is

in a subconscious manner; something done unknowingly.

As an adjective involuntary

is without intention; unintentional.

As a noun null is

zero, nil; the cardinal number before einn.

As adjectives the difference between involuntary and nonconsensual

is that involuntary is without intention; unintentional while nonconsensual is not consensual; done without consent.

As adjectives the difference between nonvolitional and involuntary

is that nonvolitional is not volitional while involuntary is without intention; unintentional.

As adjectives the difference between sudden and involuntary

is that sudden is happening quickly and with little or no warning while involuntary is without intention; unintentional.

As an adverb sudden

is (poetic) suddenly.

As a noun sudden

is (obsolete) an unexpected occurrence; a surprise.

As adjectives the difference between unintended and involuntary

is that unintended is not intended; unplanned while involuntary is without intention; unintentional.