Synonyms of involuntary in English:

involuntary


See definition of involuntary

adjective

1‘she gave an involuntary shudder’

SYNONYMS
reflex, reflexive, automatic, knee-jerk, mechanical, unconditioned
spontaneous, instinctive, instinctual, impulsive, unconscious, unthinking
unintentional, unintended, unplanned, inadvertent, uncontrolled, uncontrollable
ANTONYMS

voluntary, deliberate

2‘a policy of involuntary repatriation’

SYNONYMS
compulsory, obligatory, mandatory, forced, coerced, coercive, compelled, exacted, imposed, demanded, required, constrained, ordained, prescribed
unwilling, unconsenting, against one's will, against one's wishes, reluctant, grudging
ANTONYMS

voluntary, optional, willing