involuntary (adj.)

• automatic
• averse
• binding
• blind
• casual
• compulsive
• compulsory
• conditioned
• cursory
• dictated
• disinclined
• disobedient
• forced
• fractious
• ill-advised
• ill-considered
• imperative
• impulsive
• inadvertent
• indisposed
• indocile
• inevitable
• inherent
• innate
• instinctive
• libidinal
• mandatory
• mechanical
• mutinous
• natural
• necessary
• obligatory
• opposed
• perfunctory
• recalcitrant
• reflex
• reflexive
• refractory
• required
• resistant
• spontaneous
• subliminal
• sulky
• sullen
• unadvised
• unconscious
• unconsidered
• uncontrollable
• uncontrolled
• undesigned
• unguarded
• unguided
• unintended
• unintentional
• unlearned
• unplanned
• unpremeditated
• unprompted
• unstudied
• unthinking
• unthought-of
• unwilled
• unwilling
• unwitting