involuntaryadjective
uk/ɪnˈvɒl.ən.tər.i/us/ɪnˈvɑː.lən.ter.i/not done by choice; done unwillingly, or without the decision or intention of the person involved:
A sharp tap on the knee usually causes an involuntary movement of the lower leg.
Thesaurus: synonyms and related words
Not expected or planned
- ad hoc
- ad hocism
- ad hockery
- ad lib
- ad-lib
- adventitious
- against (all) the odds/against all odds idiom
- explosive
- it's just one of those things idiom
- just like that idiom
- make sth up as you go along idiom
- muddle
- muddle along
- rude
- spur
- unawares
- undreamed of
- unexpected
- unforeseen
- unintended
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involuntarily
adverb uk/ɪnˈvɒl.ən.ter.əl.i/us/ɪnˈvɑː.lən.ter.əl.i/
Arthur shivered involuntarily as he came out of the building.