1. (baseball) an out resulting from the batter getting three strikes
   "The pitcher's tenth strikeout of the game set a new record"

1. Remove from a list
   "She struck out the completed tasks from her to-do list";
   - cross off, cross out, strike off, mark
    
2. (baseball) put out or be put out by a strikeout
   "Oral struck out three batters to close the inning"
    
3. Be unsuccessful in an endeavour
   "The candidate struck out with his health care plan"
    
4. Make a motion as with one's fist or foot towards an object or away from one's body
   "The boxer struck out at his opponent"
    
5. (baseball) cause to get out
   "The pitcher struck out three batters";
   - retire
    
6. Set out on a course of action
   "He struck out on his own"

Derived forms: struck out, strikeouts, strikes out, striking out

Type of: begin, fail, fish out [informal], get, get down, go wrong, miscarry, move, neglect, out, remove, set about, set out, start, start out, take out

Encyclopedia: Strikeout