not subject to the control of the will; "involuntary manslaughter"; "involuntary servitude"; "an involuntary shudder"; "It (becoming a hero) was involuntary. They sank my boat"- John F.Kennedy
controlled by the autonomic nervous system; without conscious control; "involuntary muscles"; "gave an involuntary start"
make (assets) available; "release the holdings in the dictator's bank account"
play the cards of (a suit) so that the last trick on which a hand can follow suit will be taken by a higher card in the hand of a partner who has the remaining cards of a combined holding
clear or remove an obstruction from; "the procedure unblocked his arteries"
a lamp for providing momentary light to take a photograph
a bright patch of color used for decoration or identification; "red flashes adorned the airplane"; "a flash sewn on his sleeve indicated the unit he belonged to"
a momentary brightness
a sudden brilliant understanding; "he had a flash of intuition"
a short vivid experience; "a flash of emotion swept over him"; "the flashings of pain were a warning"
a sudden intense burst of radiant energy
appear briefly; "The headlines flashed on the screen"
emit a brief burst of light; "A shooting star flashed and was gone"
make known or cause to appear with great speed; "The latest intelligence is flashed to all command posts"
protect by covering with a thin sheet of metal; "flash the roof"
expose or show briefly; "he flashed a $100 bill"
gleam or glow intermittently; "The lights were flashing"