Idiom Definition:
  
  
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"to hedge your bets"  
  to do something in a situation, so that if the situation fails or has a bad outcome, you will not fail or suffer as much as if you had not hedged your bets    
       
Synonyms: 
acute, alert, astute, cagey, calculating, careful, commonsense, consider, far-sighted, forethought, fore-thoughtful, judicious, leery, perceptive, perspicacious, prudent, pussyfoot, safe, sage, sapient, shrewd, skillful, sober, sound, thorough, vigilant, wary, watchful, well-advised, wise, worldly-wise
 
    
  
