stun /stʌn/noun 5verb 5forms 3phrases 1 noun5 •The condition of being stunned. •A low-range setting for an energy weapon that will stun its target but not injure or kill it.Captain James Kirk: "Set your phaser on one quarter. I'll leave mine on stun." — 1966 •The effect on the cue ball where the ball is hit without topspin, backspin or sidespin.Williams will need a lot of stun to avoid going in the middle pocket •That which stuns; a shock; a stupefying blow. •(Newfoundland) A person who lacks intelligence. verb5 •To incapacitate; especially by inducing disorientation or unconsciousness.Bill tried to stun the snake by striking it on the head.In many European countries cattle have to be stunned before slaughtering. •To shock or surprise.The celebrity was stunned to find herself confronted with unfounded allegations on the front page of a newspaper.He stood there stunned, looking at the beautiful, breath-taking sunrise. •To enter a stunned state.The monsters stun when you jump on them. •To hit the cue ball so that it slides without topspin or backspin (and with or without sidespin) and continues at a natural angle after contact with the object ball •(Singapore, slang) To confiscate (an unguarded rifle, magazine, piece of equipment, etc.) from an unsuspecting soldier as punishment for neglect. formsstunned · stunning · stuns Phrases with stun on stunAn intensity setting of the fictional phaser energy weapon, from the television series Star Trek (1966–69), which non-lethally stuns its target.