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involuntary

in·vol·un·tar·y

involuntary

pronunciation:
ihn va ln teI ri
features:
Word Explorer, Word Parts
part of speech: adjective
definition 1: not determined by choice, will, or desire.
involuntary obedience
synonyms:
binding, compulsory, obligatory
antonyms:
voluntary
similar words:
automatic, captive, coercive, forced, imposed, mandatory, requisite
definition 2: not subject to conscious control; unconscious or automatic.
an involuntary muscle contraction
synonyms:
automatic, reflex, unconscious
antonyms:
voluntary
similar words:
subliminal, unintentional, unwitting
derivations: involuntarily (adv.), involuntariness (n.)
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Word Parts
The word involuntary contains the following parts:
vol Latin root that means wish, intention, will
-ary1 Latin adjective-forming suffix that means like, of, related to
Show wordsHide wordsMore about this word part:
The suffix -ary1 attaches to Latin roots (e.g., primary , literary ) and to nouns (e.g., cautionary , fragmentary ), forming adjectives.