involuntarily

/ɪnˌvɑlənˈtɛrəli/
adverb
  1. Without intention or conscious control; automatically or unwillingly.
    • He involuntarily sighed during the boring lecture.
    • Many people involuntarily hold their breath when they are nervous.
    • She involuntarily flinched when the car backfired.
What does "involuntarily" mean? | whatsthatwordmean | whatsthatwordmean