Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun involuntariness
1 sense of involuntariness
Sense 1
unwillingness, involuntariness -- (the trait of being unwilling; "his unwillingness to cooperate vetoed every proposal I made"; "in spite of our warnings he plowed ahead with the involuntariness of an automaton")
=> disposition, temperament -- (your usual mood; "he has a happy disposition")